Table 3 The constituent ratio of pregnancy history in patients with secondary infertility between the two regions (n = 1089)
From: Analysis of the etiologies of female infertility in Yunnan minority areas
Groups | Kunming region (n = 655) | Dehong region (n = 434) | \(\upchi\)2 | P value | ||
|---|---|---|---|---|---|---|
Case (n) | Percent (%) | Case (n) | Percent (%) | |||
G1 | 244 | 37.25 | 252 | 58.03 | 32.79 | < 0.001 |
G2 | 202 | 30.84 | 106 | 24.45 | ||
G3 | 112 | 17.10 | 42 | 9.49 | ||
≥ G4 | 97 | 14.81 | 34 | 8.03 | ||