RCT | Random sequence generation | Allocation concealment | Blinding of participants and personnel | Blinding of outcome assessors | Incomplete outcome data | Selective reporting | |
---|---|---|---|---|---|---|---|
Chen et al. [22] | U | U | U | U | L | L | Poor |
Chullikana et al. [21] | L | L | L | L | L | L | Good |
Gao et al. [15] | L | L | L | L | H | L | Fair |
Gao et al. [16] | L | L | H | L | L | L | Fair |
Hare et al. [23] | L | L | L | L | H | L | Fair |
Lee et al. [19] | U | U | H | L | H | L | Poor |
Wang et al. [17] | U | U | U | L | L | L | Poor |
Kharlamov et al. [24] | U | U | U | U | L | L | Poor |
Houtgraaf et al. [13] | L | L | L | L | L | L | Good |
Rodrigo et al. [18] | H | U | U | U | L | L | Poor |
Penn et al. [20] | U | U | L | L | L | L | Fair |
Kim et al. [25] | L | U | L | L | L | L | Good |
Zhang et al. [26] | L | U | L | U | L | L | Fair |