Deleted study | No. of patients after deletion | Odds ratio | Model | Heterogeneity | ||
---|---|---|---|---|---|---|
OR (95% CI) | P value | I2 | P | |||
Hanako Suzuki 2011 [24] | 479 | 1.40 (0.73, 2.69) | 0.02 | Random | 61% | 0.02 |
Juan Li 2017 [25] | 437 | 2.14 [1.45, 3.15] | 0.0001 | Fixed | 28% | 0.23 |
Kyuichi Kadota 2010 [20] | 469 | 1.74 [0.99, 3.06] | 0.05 | Random | 47% | 0.09 |
Shotaro Iwakiri 2009 | 437 | 1.54 [0.77, 3.08] | 0.22 | Random | 62% | 0.02 |
Takeo Ito 2019 [26] | 383 | 1.25 [0.54, 2.87] | 0.61 | Random | 61% | 0.03 |
Yoichiro IKOMA 2015 [27] | 416 | 1.21 [0.57, 2.60] | 0.62 | Random | 57% | 0.04 |
Yoshihisa Shimada 2009 [28] | 357 | 1.30 [0.58, 2.89] | 0.52 | Random | 63% | 0.02 |