Table 3.
Odds of undergoing MIS versus open surgery
| OR | 95% CI | P | |
|---|---|---|---|
| Age at diagnosis (years) Race |
1.00 | 0.98, 1.02 | 0.87 |
| White | REF | REF | |
| Other / unknown | 0.74 | 0.03– 20.31 | 0.46 |
| Comorbid conditions | |||
| No comorbidities | REF | REF | |
| 1 comorbidity | 0.79 | 0.14– 4.40 | 0.61 |
| 2 or more comorbidities | 0.57 | 0.12– 2.62 | 0.25 |
| Uterine size (cm) | |||
| <12 cm | REF | REF | |
| 12+ cm | 0.17 | 0.03– 0.90 | 0.04 |
| Unknown | 1.19 | 0.43– 3.29 | 0.55 |
| Pre-op histology | |||
| Non-invasive | 2.60 | 0.22– 30.93 | 0.34 |
| Endometrioid, grade 1 or 2 | REF | REF | |
| Endometrioid, grade 3 | 0.65 | 0.27– 1.56 | 0.25 |
| Clear cell or serous | 0.71 | 0.26– 1.98 | 0.41 |
| Other or unknown | 0.47 | 0.18– 1.20 | 0.09 |
| Pre-op stage | |||
| Stage I | REF | REF | |
| Stage II | 0.19 | 0.03– 1.19 | 0.06 |
| Stage III | 0.16 | 0.05– 0.49 | 0.01 |
| Stage IV | 0.07 | 0.02– 0.22 | <0.01 |
| Unknown | 0.16 | 0.01– 2.88 | 0.09 |
Note: OR, odds ratio; CI, confidence interval; P, p-value corresponding to odds ratios. Mixed logistic regression model to evaluate selected factors that may be associated with undergoing MIS versus open surgery. Clinical site was a random effect; fixed effects (covariates) are shown in the table.