Table 4 Heterogeneity analysis and Egger regression analysis of COL9A2 and COL9A3 gene polymorphisms (rs12077871, rs12727871, rs7533553, and rs61734657)
From: Collagen IX gene polymorphisms and lumbar disc degeneration: a systematic review and meta-analysis
SNP | Analysis model | Heterogeneity analysis | Egger regression analysis | ||||
|---|---|---|---|---|---|---|---|
χ 2 | P | I2 (%) | t | 95% CI | P | ||
rs12077871 | Random | 39.88 | < 0.0001 | 87.50 | − 1.33 | [− 7.57, 2.68] | 0.26 |
rs12722877 | Fixed | 5.73 | 0.125 | 47.70 | − 2.78 | [− 7.51, 1.61] | 0.11 |
rs7533552 | Fixed | 1.15 | 0.776 | 0.00 | 0.06 | [− 5.26, 5.41] | 0.96 |
rs61734651 | Random | 15.12 | 0.002 | 81.00 | 0.1 | [− 12.0, 12.6] | 0.93 |