Table 4. Comparison between RCTs already included in the SR and eligible Korean RCTs.
First author(year) | Condition | Type of database | Number of primary studies (Korean) | Author’s conclusion (quote) | SR’s result (+/−) | Newly Eligible Korean RCTs compared with previous SRs | |
Number of RCT [ref] | Result(+/−) | ||||||
Jang(2008) [1] | Erectile dysfunction | English, Korean, Chinese, Japanese | 7(4) | … provide suggestive evidence | + | 2[38], [39] | + |
Kim(2011) [6] | Diabetes | English, Korean, Japanese | 3(2) | …. effectiveness. is not convincing. | – | 0 | – |
Jia(2012) [8] | Ischemic heart disease | English, Chinese | 18(0) | … more effective than..further. to verify the efficacy. | + | 0 | + |
An(2011) [9] | obstructive pulmonary | English, Chinese | 12(0) | … show promising evidence … is uncertain due to potential risk of bias of. | + | 0 | + |
Seida(2011) [10] | Common Cold | English | 5(0) | . significantly reduced….insufficient evidence … | + | 0 | + |
Seely(2008) [11] | Pregnancy and Lactation | English | Not clear | . conflicting evidence … no human studies. | – | Not clear | – |
Buettner (2006) [12] | Cardiovascular | English | 31(3) | .not support the use of. to treat cardiovascular risk factors. | +/− | 0 | +/− |
Lee(2009) [13] | Alzheimer | English, Korean, Chinese | 2(2) | The evidence…is scarce and inconclusive. | +/− | 1[55] | + |
Hur(2010) [14] | Hypertension | English, Korean, Chinese, Japanese | 5(0) | show.significant. limited evidence … | +/− | 0 | |
Lee(2011) [3] | various conditions | English, Korean, Chinese | 57(9) | …finding a strong positive potential…. | +/− | 22[26]–[31], [33], [38], [39], [41]–[45], [48]–[55] | +/− |
Vogler(1999) [15] | various conditions | English | 16(0) | ……efficacy.is not established beyond reasonable doubt…. | +/− | 30[26]–[55] | +/− |
Shergis(2012) [16] | various conditions | English | 65(2) | . promising results,….implications for several diseases…. | +/− | 28[26]–[49], [52]–[55] | +/− |
RCT: randomized controlled trial; SR: systematic review; +: positive; −: negative; +/−: unclear.