TABLE 4.
Univariate logistic regression analysis of “IFS under‐diagnoses or not” and “IFS over‐diagnoses or not” in detecting deep myometrial invasion.
| IFS detecting deep MI | Accurate‐diagnoses | Under‐diagnoses | Under‐diagnoses or not | Over‐diagnoses | Over‐diagnoses or not | ||
|---|---|---|---|---|---|---|---|
| OR 95% CI | p Value | OR 95% CI | p Value | ||||
| Menopause | |||||||
| Pre | 875 (40.05) | 26 (28.89) | 1 | 0.036 | 7 (30.43) | 1 | 0.353 |
| Post | 1,310 (59.95) | 64 (71.11) | 1.644 (1.034–2.614) | 16 (69.57) | 1.527 (0.626–3.726) | ||
| Atypical hyperplasia | |||||||
| No | 1,905 (87.03) | 77 (85.56) | 1 | 0.685 | 20 (83.33) | 1 | 0.594 |
| Yes | 284 (12.97) | 13 (14.44) | 1.132 (0.621–2.065) | 4 (16.67) | 1.342 (0.455–3.953) | ||
| Uterine diseases (myoma or adenomyosis) | |||||||
| No | 1,971 (90.04) | 85 (94.44) | 1 | 0.175 | 21 (87.50) | 1 | 0.680 |
| Yes | 218 (9.96) | 5 (5.56) | 0.532 (0.213–1.325) | 3 (12.50) | 1.292 (0.382–4.365) | ||
| Caesarean section | |||||||
| No | 1,962 (89.79) | 85 (94.44) | 1 | 0.157 | 19 (82.61) | 1 | 0.266 |
| Yes | 223 (10.21) | 5 (5.56) | 0.518 (0.208–1.289) | 4 (17.39) | 1.852 (0.625–5.493) | ||
| Abortion history | |||||||
| No | 892 (40.82) | 31 (34.44) | 1 | 0.228 | 12 (52.17) | 1 | 0.275 |
| Yes | 1,293 (59.18) | 59 (65.56) | 1.313 (0.843–2.045) | 11 (47.83) | 0.632 (0.278–1.440) | ||
| Histological grade | |||||||
| Low | 1,931 (88.21) | 76 (84.44) | 1 | 0.282 | 21 (87.50) | 1 | 0.914 |
| High | 258 (11.79) | 14 (15.56) | 1.379 (0.768–2.474) | 3 (12.50) | 1.069 (0.317–3.610) | ||
Abbreviations: IFS, intraoperative frozen section; High grade, grade 3; Low grade, grade 1/2; MI, myometrial invasion; OR, dominance ratio.