Table 6 Results from mediation analysis

Bilateral tubal blockage

51.3 ^b; 46.7 ^c

−0.113 ^b; −0.092 ^c

0.007 ^b

0.005 ^c

0.026 ^b; 0.231 ^c

[− 0.149, − 0.055] ^b

[− 0.125, − 0.049] ^c

Grade II and III tubal blockage

57.3 ^b; 57 ^c

−0.2 ^b; − 0.178 ^c

0.008 ^b

0.005 ^c

0.086 ^b; 0.079 ^c

[−0.368, − 0.057]^b

[− 0.319, − 0.039] ^c

Uterine filling defects

11.7 ^b; 12.6 ^c

−0.026 ^b; − 0.025 ^c

−0.003 ^b

− 0.002 ^c

0.018 ^b; 0.015 ^c

[−0.069, − 0.003] ^b

[− 0.064, − 0.004] ^c