Table 3 Egger’s test for publication bias assessment (number of studies ≥10)
From: Reproductive factors and lung cancer risk: a comprehensive systematic review and meta-analysis
Variables | No. of studies | P value of Egger’s test |
|---|---|---|
Hormone use | 38 | 0.498 |
OC use | 26 | 0.565 |
Parity | 24 | 0.041 |
Age at menopause | 22 | 0.984 |
Age at menarche | 20 | 0.841 |
Age at first birth | 19 | 0.895 |
Parity with nulliparous women as reference | 16 | 0.110 |
OC use duration | 12 | 0.112 |
Menopause type | 11 | 0.014 |
Number of pregnancy | 10 | 0.559 |