Study excluded | Remaining samples (KA/MA) | Overall effect | Heterogeneity | |||
---|---|---|---|---|---|---|
MD | 95% CI | p value | I2 (%) | p value | ||
Calliess [33] | 296/291 | − 2.64 | − 3.33 to − 1.95 |  < 0.00001 | 85 |  < 0.00001 |
Dossett [20] | 352/347 | − 2.72 | − 3.49 to − 1.94 |  < 0.00001 | 87 |  < 0.00001 |
Kaneda [35] | 388/386 | − 2.29 | − 2.82 to − 1.77 |  < 0.00001 | 75 | 0.0005 |
Laende [32] | 372/368 | − 2.67 | − 3.44 to − 1.91 |  < 0.00001 | 87 |  < 0.00001 |
MacDessi [31] | 326/323 | − 2.85 | − 3.51 to − 2.20 |  < 0.00001 | 80 |  < 0.0001 |
Matsumoto [29] | 366/361 | − 2.55 | − 3.31 to − 1.80 |  < 0.00001 | 85 |  < 0.00001 |
McEwen [28] | 355/350 | − 2.77 | − 3.65 to − 1.88 |  < 0.00001 | 87 |  < 0.00001 |
Yeo [26] | 366/361 | − 2.68 | − 3.50 to − 1.86 |  < 0.00001 | 87 |  < 0.00001 |
Young [24] | 347/341 | − 2.70 | − 3.48 to − 1.93 |  < 0.00001 | 87 |  < 0.00001 |