Table 1.
Characteristics of the studies.
| Reference | Year | Number of Patients | Mean Age (Years) | Male | Median Survival (Months) | 1-2-3 Years Survival Rate (%) | Study Type | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SR | n-SR | SR | n-SR | SR | N-SR | SR | n-SR | SR | n-SR | |||
| Hamaoka [15] | 2017 | 7 | 43 | 66 | 64 | 7 | 40 | 38 | 13.1 | 100; 100; 71 | 50; 20; 18 | Retrospective |
| Ryon [16] | 2020 | 21 | 186 | 55.2 | 61.2 | 18 | 151 | 19 | 5.8 | N/A | N/A | Retrospective |
| Peng [17] | 2011 | 201 | 402 | 55 | 55 | 187 | 374 | 20 | 13 | 42; 14.1; 11.1 | 37.8; 7.3; 0.5 | Retrospective |
| Zheng [18] | 2016 | 96 | 134 | 51.9 | 51.6 | 75 | 98 | N/A | N/A | 86.5; 0.4; 33.3 | 77.6; 47.8; 20.9 | Retrospective |
| Kokudo [19] | 2016 | 2093 | 4381 | 63.2 | 66.4 | 1744 | 3490 | 34.4 | 13.3 | 74.8; 49.1; 39.1 | 53.1; 25.3; 16.0 | Retrospective |
| Tang [20] | 2013 | 186 | 185 | 48.4 | 49.7 | 166 | 155 | 10 | 12.3 | 51.6; 28.4; 19.9 | 40.1; 17.0; 13.6 | Retrospective |
| Fan [21] | 2005 | 24 | 53 | 55 | 58 | 20 | 49 | 10 | 7.3 | 22.7; 9.8; 0 | 11.8; 0; 0 | Prospective |
| Ye [22] | 2014 | 90 | 75 | 49 | 45 | 81 | 80 | 8.2 | 7 | 28; 20; 15 | 17.5; 0; 0 | Prospective |
| Zhang [23] | 2015 | 28 | 56 | 47 | 51 | 27 | 54 | 15.6 | 9.1 | 66.5; 37.4; 28.5 | 32.3; 18.7; 15.6 | Prospective |
N/A: Not available.