Research object | PTNB | NPTNB | weight% | RR(95%CI) | ||
---|---|---|---|---|---|---|
events | non-events | events | non-events | |||
Matsuguma, H. 2005 [3] | 17 | 49 | 51 | 173 | 14.37 | 1.131 (0.703,1.820) |
Inoue, M. 2011 [2] | 13 | 118 | 38 | 278 | 11.57 | 0.825 (0.455,1.498) |
Asakura, K. 2012 [11] | 11 | 113 | 35 | 162 | 10.71 | 0.499 (0.264,0.946) |
Kashiwabara, K. 2016 [12] | 14 | 49 | 23 | 63 | 11.92 | 0.831 (0.465,1.483) |
Moon, S.M. 2017 [7] | 58 | 185 | 25 | 124 | 15.77 | 1.423 (0.933,2.170) |
Hu, C. 2018 [9] | 21 | 45 | 78 | 178 | 16.42 | 1.044 (0.701,1.556) |
Ahn, S. Y. 2019 [8] | 145 | 395 | 45 | 225 | 19.24 | 1.611 (1.193,2.177) |
Total | 279 | 1003 | 295 | 1203 | 100 | 1.055 (0.799,1.392) |