Table 2.
Quality of included studies (n = 35).
| Author and Year | Sample Selection Criteria (Maximum of 4 Stars) | Comparability (Maximum 2 Stars) | Outcome (Maximum 1 Star) | Summary Score (Maximum of 7 Stars) | |||
|---|---|---|---|---|---|---|---|
| Representativeness of the Sample | Sample Size | Non-Respondents | Ascertainment of the Satisfaction Level | Comparability of Subjects in Different Outcome Groups; Control of Confounding Factors. | Assessment of the Outcome from Patient’s Point of View |
||
| Wenya, Yu et al., 2016. Shanghai | Truly representative of the average in the target population * | Justified and satisfactory * | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | The study controls for the most important factor **; | Self-report * | 7 |
| Liyang Tang, 2011 | Somewhat representative of the average in the target population * | Justified and satisfactory * | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | The study controls for the most important factor **; | Self-report * | 7 |
| Jing Sun, et al., 2017 Laiyang Wu, et al., 2016 |
Truly representative of the average in the target population * | Justified and satisfactory * | No description | Non validated measurement tool, but the tool is available or described *; | The study controls for the most important factor **; | Self-report * | 6 |
| Jay Pan, et al., 2015 | Truly representative of the average in the target population * | Justified and satisfactory * | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | The study controls for the most important factor **; | Self-report * | 7 |
| Jinghua Li et al., 2016 | Truly representative of the average in the target population * | Justified and satisfactory * | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | The study controls for the most important factor **; | Self-report * | 7 |
| Jinzhu Xie, et al., 2017 | Somewhat representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | The study controls for the most important factor **; | Self-report * | 6 |
| Chunlei Han et al., 2000 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | data not adjusted for all relevant confounders | Self-report * | 4 |
| Qing Lu et al., 2016 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Jing Zhao et al., 2015 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Wenlong Hu et al., 2007 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Yanxia Yang et al., 2015 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | data not adjusted for all relevant confounders | Self-report * | 4 |
| Rong Xu and Xinzhen Jing. 2004 | Somewhat representative of the average in the target population * | Not justified | No description | Validated measurement tool * | NA | Self-report * | 3 |
| Junjie Sun and Shuangqing Li, 2018 | Somewhat representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | data not adjusted for all relevant confounders | Self-report * | 4 |
| Zhanwei Zhou, et al., 2011 | Truly representative of the average in the target population * | Justified and satisfactory * | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | No description | data not adjusted for all relevant confounders | Self-report * | 3 |
| Caoxin, Bao, et al., 2015 | Truly representative of the average in the target population * | Justified and satisfactory * | No description | Validated measurement tool * | NA | Self-report * | 4 |
| Zhixiang, Teng, et al., 2009 | Somewhat representative of the average in the target population * | Not justified | Response rate is unsatisfactory, or the comparability between respondents and nonrespondens is unsatisfactory; | Validated measurement tool * | NA | Self-report * | 3 |
| Jing Luan, et al., 2013 | Truly representative of the average in the target population * | Justified and satisfactory * | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | NA | Self-report * | 5 |
| Jianjie Zhang. 2018 |
Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | The study controls for the most important factor **; | Self-report * | 6 |
| Chunhui, Ren. 2014 | Selected group of patients | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | NA | Self-report * | 3 |
| Weiming Shao et al., 2017 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Ying Zou et al., 2014 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | NA | Independent blind assessment * | 4 |
| Mengzhu Deng et al., 2013 | Somewhat representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | data not adjusted for all relevant confounders | Self-report * | 4 |
| Huilan Luo et al., 2010 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | NA | Self-report * | 4 |
| Zulipiye Tuerxun et al., 2016 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Jinping Shu and Dian Zhou, 2016 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Validated measurement tool * | The study controls for the most important factor **; | Self-report * | 6 |
| Kai Ling et al., 2009 | Somewhat representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | No description. | 3 |
| Yu Li, et al., 2011 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Qinghua Zhang and Zhanhe Liu. 2011 |
Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Zhifan Meng, et al., 2016 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Jun Song, et al., 2007 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Shi Guo, et al., 2014 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Xunming Ji, et al., 2010 | Somewhat representative of the average in the target population * | Not justified | No description | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 3 |
| Li Ren and Haixuan Xu.2016 | Truly representative of the average in the target population * | Not justified | No description | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 3 |
| Guanghao Jing and Shunfu Piao. 2011 | Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
| Lizhen, Deng and Suili, Rao 2006 |
Truly representative of the average in the target population * | Not justified | Comparability between respondents’ and nonrespondents’ characteristics is established, and the response rate is satisfactory * | Non validated measurement tool, but the tool is available or described *; | NA | Self-report * | 4 |
* the detailed explanation of the number of the stars were in Supplementary Material 2. NA means not applicable and represented that the study did not investigated the factors influencing the outpatient satisfaction.