Table 3 Quality assessment of included studies
Primer author, year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | Classification |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Schleede L, 2012 | Y | N | Y | Y | N | N | N | O | Y | O | N | O | O | N | Fair |
Elbers JM, 2007 | Y | Y | N | Y | N | N | N | O | Y | O | N | O | O | Y | Fair |
Yoshinori I, 1998 | N | N | N | O | N | N | N | O | Y | O | N | O | O | Y | Poor |
Chen T, 2018 | Y | Y | N | Y | N | N | N | O | Y | O | N | O | O | Y | Fair |
Kumar R, 2018 | N | Y | N | Y | N | N | N | O | Y | O | N | O | O | N | Fair |
Zhang R, 2016 | N | N | Y | Y | N | N | N | O | Y | O | N | O | O | Y | Poor |
Lahat E, 1999 | N | Y | Y | Y | N | N | N | O | Y | O | Y | O | O | N | Fair |
Woźniakowska-Gesicka T, 1996 | N | Y | Y | Y | N | N | N | O | Y | O | N | O | O | N | Fair |
Ward KN, 2011 | N | N | N | NR | N | N | N | O | Y | O | N | O | O | N | Poor |