| Reason for exclusion | Randomised study comparing the effects of Yuye Tang (Shanyao 30g, Shenghuangqi (raw Huangqi) 30g, Zhimu 10g, Jineijin 6g, Gegen 10g, Wuweizi 6g, Tianhuafen 30g, Huanqin 10g) versus dimethyldiguanide tablets in people with impaired glucose tolerance over 8 wks. The study reported that it randomly divided the sample into two groups. There is a large sampling discrepancy between the control (n = 43) and intervention group (n = 72) implying this was not random. Method of randomisation not reported. Unable to contact the authors. |
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