Table 1 Demographic characteristics of patients
Study | Year | Study design | Surgeon Number | follow-up time | Cases DAA:PA | ages DAA:PA | male/female DAA:PA | BMI DAA:PA | learning cases |
|---|---|---|---|---|---|---|---|---|---|
Barrett | 2013 | RCT | 1 | 12 months | 43:44 | 61.4 ± 9.2: 63.2 ± 7.7 | 29/14: 19/25 | 30.7 ± 5.4:29.1 ± 5.0 | NO |
Cheng | 2016 | RCT | 2 | 12 weeks | 35:37 | 59: 62.5 | 15/20: 18/20 | 27.7 28.3 | NO |
Christensen | 2015 | RCT | 1 | 6 weeks | 28:23 | 64.3 ± 9.1:65.2 ± 9.1 | 13/15: 11/12 | 31.1 ± 5.1:30.4 ± 3.6 | NO |
Luo | 2016 | RCT | 1 | 16 months | 52:52 | 61.5 ± 7.2:63.7 ± 6.8 | 17/35: 22/30 | 22.7 ± 4.4:24.2 ± 3.7 | NO |
Rykov | 2017 | RCT | 3 | 6 weeks | 23:23 | 62.8 ± 6.1:60.2 ± 8.1 | 8/15: 11/12 | 29.0 ± 5.6:29.3 ± 4.8 | NO |
Zhang | 2006 | RCT | Not clear | 30 months | 60:60 | 61: 62.5 | 25/35: 28/32 | not stated | NO |
Zhao | 2017 | RCT | Not clear | 6 months | 60:60 | 64.88 ± 12.13:62.18 ± 14.72 | 24/36: 26/34 | 24.3 ± 53.1:25.58 ± 2.83 | NO |