Table 2 Risk of Bias Tables
Risk of Bias table: Reliability Studies | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Author, Year | 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.9 | 1.10 | 1.11 | 1.12 | Overall Assessment |
Assendelft, 1997 [47] | Y | Y | Y | U | U | N/A | Y | Y | Y | Y | Y | Y | Unacceptable (−) |
Frymoyer, 1986 [36] | Y | Y | Y | Y | N/A | N/A | U | U | U | U | Y | N | Unacceptable (−) |
Rosok, 1993 [39] | N | Y | U | N/A | Y | N | N/A | U | Y | U | Y | N | Unacceptable (−) |
Haas, 1992 [40]a | CS | CS | CS | CS | CS | CS | CS | CS | CS | CS | CS | CS | Unacceptable (−) |
Haas, 1992 [41]a | CS | CS | CS | CS | CS | CS | CS | CS | CS | CS | CS | CS | Unacceptable (−) |
Plaugher, 1990 [48] | N | U | U | U | U | N/A | Y | Y | U | U | Y | N | Unacceptable (−) |
Phillips, 1986 [43] | Y | Y | Y | Y | N/A | N/A | U | U | Y | N/A | Y | N | Unacceptable (−) |
Janik, 2001 [49] | Y | Y | U | U | U | N/A | Y | Y | Y | Y | Y | Y | Unacceptable (−) |
Haas, 1990 [50] | Y | Y | Y | Y | N/A | N/A | Y | Y | U | N/A | Rater 1 & 2: Y Rater 3: N | Y | Rater 1 & 2: Acceptable (+) Rater 3: Unacceptable (−) |
Troyanovich, 2000 [51] | Y | Y | Y | Y | Y | N/A | Y | Y | Y | U | Y | Y | Acceptable (+) |
Troyanovich, 1998 [52] | Y | Y | Y | Y | Y | N/A | Y | Y | Y | U | Y | Y | Acceptable (+) |
Troyanovich, 1995 [53] | Y | Y | Y | Y | Y | N/A | Y | Y | Y | U | Y | Y | Acceptable (+) |
McGregor, 1995 [46] | Y | Y | Y | Y | Y | N/A | Y | Y | N | Y | Y | Y | Acceptable (+) |
Harrison, 2002 [54]b | Y | Y | Y | Y | Y | N/A | Y | U | Y | Y | Y | Y | Acceptable (+) |
Troyanovich, 1999 [55] | Y | Y | Y | U | U | N/A | U | Y | U | U | Y | Y | Acceptable (+) |
Jackson, 1993 [56] | Y | Y | Y | Y | Y | N/A | Y | Y | Y | Y | Y | Y | Acceptable (+) |