Table 2 Logistic regression analysis
From: Risk factors for missed abortion: retrospective analysis of a single institution’s experience
Variables | OR(95%CI) | P-value | OR(95%CI) | P-value |
|---|---|---|---|---|
univariate logistic regression analysis | multivariate logistic regression analysis | |||
Age(years) | ||||
30 | Reference | Reference | ||
≥ 30 | 2.018(1.280–3.181) | 0.002 | 1.683(1.017–2.785) | 0.043 |
Gravidity(times) | ||||
1 | Reference | |||
2 | 1.009(0.570–1.786) | 0.975 | ||
3 | 1.384(0.722–2.653) | 0.328 | ||
4 | 2.291(1.048–5.006) | 0.038 | ||
5 | 2.577(0.752–8.836) | 0.132 | ||
6 | 2.864(0.534–15.353) | 0.219 | ||
7 | 1,850,453,001.811(-) | 1.000 | ||
Parity(times) | ||||
0 | Reference | |||
1 | 2.079(1.231–3.510) | 0.006 | ||
2 | 1.117(0.220–5.654) | 0.894 | ||
History of cesarean delivery | ||||
No | Reference | |||
Yes | 2.232(1.209–4.121) | 0.010 | ||
Recurrent abortion | ||||
No | Reference | |||
Yes | 6.680(0.812–54.960) | 0.077 | ||
History of ectopic pregnancy | ||||
No | Reference | |||
Yes | 3.200(0.863–11.863) | 0.082 | ||
BMI(Kg/m2) | ||||
≤ 24 | Reference | Reference | ||
24 | 1.912(1.011–3.614) | 0.046 | 2.073(1.056–4.068) | 0.034 |
mGSD-CRL(mm) | ||||
11.7 | Reference | Reference | ||
11.7 ≤ mGSD-CRL ≤ 20.0 | 0.941(0.561–1.577) | 0.818 | 1.009(0.579–1.758) | 0.976 |
20.0 | 2.804(1.382–5.689) | 0.004 | 2.960(1.397–6.273) | 0.005 |
20.0 | Reference | |||
11.7 | 0.338(0.159–0.716) | 0.005 | ||
11.7- 20.0 | 0.341(0.172–0.676) | 0.002 | ||