Table 1. Characteristics of included studies.
| Studies | Baseline | N (T/C) | Gender (M/F) | Age (Y) | Intervention | Duration (weeks) | Outcomes | Adverse events | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | C | T | C | T | C | ||||||
| Wang, 2015 (10) | Comparable | 30/30 | 15/15 | 16/14 | 61.2±2.4 | 61.3±2.4 | DBD + CWM | CWM | 6 | a, b, c, | 2 cases of cutaneous pruritus and 1 case of palpitation in the control group |
| Gao, 2014 (11) | Comparable | 34/34 | 19/15 | 16/18 | 54 | 51 | DBD + CWM | CWM | 12 | a, b, c, d | NA |
| Zhao, 2014 (12) | NA | 20/20 | NA | NA | NA | NA | DBD + CWM | CWM | 8 | a, c, d | NA |
| Xu, 2013 (13) | Comparable | 40/40 | 25/15 | 23/17 | 42.15 | 41.35 | DBD + CWM | CWM | 4 | d | NA |
| Li, 2013 (14) | Comparable | 43/43 | 22/21 | 24/19 | 43.2 | 41.5 | DBD + CWM | CWM | 8 | d | NA |
| Yang, 2013 (15) | Comparable | 38/38 | 42/43 | 47.2±4.9 | DBD + CWM | CWM | 8 | a, b, c | NA | ||
| Tong, 2003 (16) | NA | 32/18 | 17/15 | 10/8 | NA | NA | DBD + CWM | CWM | 8 | a, b, c, e, f | NA |
Outcomes: a, Hb; b, RBC; c, HCT; d, clinical efficacy; e, SCr; f, BUN. T, treatment; C, control; M, male; F, female; age, average age; Y, year; CWM, conventional western medicine; DBD, Danggui Buxue Decoction; NA, not available.