Table 5 Risk of bias assessment summary table
Study Id | Q1 | Q2 | Q3 | Q4 |
|---|---|---|---|---|
Cooperberg [39] | high | low | low | low |
Bittner [27] | high | low | high | low |
Buyyounouski [38] | low | low | low | low |
Cooperberg (41) | low | high | low | low |
Delouya [19] | low | high | low | low |
Engineer [9] | low | high | low | low |
Feng [28] | low | low | low | low |
Frank [25] | unclear | high | low | low |
Frank [45] | unclear | low | unclear | low |
Halverson [46] | low | low | low | low |
Huang [47] | low | low | low | low |
Kaplan [12] | unclear | high | low | low |
Krishnan [20] | low | high | low | low |
Kubicek [48] | low | low | low | high |
Marshall [11] | unclear | low | low | low |
Potters [16] | unclear | high | low | low |
Rodrigues [14] | high | unclear | low | low |
Proust-Lima [51] | low | low | unclear | low |
Sabolch [53] | low | low | low | low |
Sanpaolo [21] | low | low | low | low |
Slater [54] | high | low | low | low |
Spratt [55] | low | low | low | low |
Steigler [56] | low | low | low | unclear |
Taylor [58] | low | low | unclear | low |
Vainshtein [18] | low | low | low | low |
Vance [60] | low | low | low | low |
Wattson [61] | low | high | low | low |
Westphalen [62] | unclear | high | low | low |
Williams [17] | low | high | low | low |
Yoshida [15] | unclear | low | unclear | low |
Zaorsky [65] | low | low | low | low |
Zelefsky [10] | low | high | low | low |
Zelefsky [68] | low | low | low | low |
Zelefsky [66] | low | low | low | low |
Zumsteg [69] | low | low | low | low |
D’Amico [43] | low | high | low | low |
Yu [64] | low | low | low | low |
D’Ambrosio [41] | unclear | low | low | low |
Denham [44] | low | unclear | low | low |
McKenna [49] | unclear | high | low | high |
Yu [63] | low | unclear | unclear | low |
D’Amico [42] | low | low | low | low |
Zelefsky [67] | low | low | low | low |
Thames [59] | low | low | unclear | low |
Qian [52] | low | low | low | low |
Sylvester [57] | low | low | low | high |
Murgic [50] | low | high | low | low |
Low/47 | 34 (72%) | 30 (64%) | 40 (85%) | 43 (91%) |