Table 2 Univariate and multivariate analyses of the pelvic measurements in 382 patients
Variable(mm) | Without DI (n = 182) | With DI (n = 200) | Univariate analysis pvalue | multivariate analysis OR(95%CI) pvalue |
|---|---|---|---|---|
intertuberous distance | 106.00(97.98,116.13) | 99.00(94.03,109.93) | *<0.001 | 0.99(0.97–1.03) 0.971 |
sacrococcygeal distance | 119.01 ± 12.23 | 121.93 ± 13.06 | *0.025 | 1.02(0.99–1.03) 0.130 |
midpelvic anteroposterior diameter | 109.00(103.88,115.00) | 107.05(100.00,112.40) | *0.009 | 0.98(0.95–1.01) 0.206 |
pubic symphysis height | 38.40 ± 3.90 | 38.11 ± 4,28 | 0.498 | |
interspinous distance | 97.40(89.98,107.33) | 91.15(86.00,99.58) | *<0.001 | 0.97(0.93-1.00) 0.047 |
anteroposterior diameter of the pelvic inlet | 108.87 ± 9.77 | 108.09 ± 12.48 | 0.499 | |
anteroposterior diameter of the pelvic outlet | 89.71 ± 9.72 | 88.90 ± 8.35 | 0.385 | |
Angle α | 43.00(39.15,48.03) | 43.10(38.90,47.18) | 0.954 | |
superior margin of pubic symphysis to coccyx distance | 117.66 ± 9.60 | 116.13 ± 8.97 | 0.107 |