Table 2 Sensitivity analysis for sex difference of gastric cancer (current smoker versus never smoker and former smoker versus never smoker)

1.27 (1.01–1.61)

0.045

56.8

0.018

1.30 (1.03–1.63)

0.026

57.8

0.015

1.27 (1.04–1.57)

0.022

47.8

0.053

1.34 (1.06–1.70)

0.015

54.5

0.024

1.38 (1.15–1.66)

0.001

35.7

0.132

1.22 (0.97–1.53)

0.089

38.1

0.114

1.27 (0.97–1.66)

0.080

57.4

0.016

1.30 (0.98–1.73)

0.068

55.1

0.023

1.34 (1.06–1.69)

0.014

55.0

0.023

1.33 (1.04–1.70)

0.023

56.1

0.020

1.20 (0.90–1.59)

0.220

48.4

0.060

1.20 (0.92–1.58)

0.175

46.9

0.068

1.20 (0.91–1.58)

0.187

47.7

0.063

1.15 (0.87–1.53)

0.332

47.7

0.063

1.31 (1.10–1.57)

0.002

5.7

0.386

1.10 (0.78–1.56)

0.592

46.2

0.072

1.17 (0.83–1.64)

0.364

46.0

0.073

1.26 (0.96–1.64)

0.095

40.8

0.107

1.11 (0.85–1.44)

0.445

28.8

0.199