Table 4.
Cox proportional-hazards model analyses HRs and 95% CIs of SLE for patients with endometriosis with surgical treatment.
| Characteristics | N | Number of SLE cases | Crude HR | 95% CI | Adjusted HR | 95% CI |
|---|---|---|---|---|---|---|
| Endometriosis | ||||||
| No | 16,758 | 18 | 1 | 1 | ||
| Non-surgical treatment | 13,678 | 34 | 2.58 | 1.45–4.57 | 2.55 | 1.44–4.51 |
| Surgical treatment | 3080 | 5 | 1.51 | 0.56–4.06 | 1.61 | 0.59–4.36 |
| Endometriosis alone | ||||||
| Non-surgical treatment | 13,678 | 34 | 1 | 1 | ||
| Surgical treatment | 3080 | 5 | 0.60 | 0.23–1.52 | 0.61 | 0.24–1.58 |
Bold font represents statistical significance (P < 0.05). Hazard ratio (HR) was estimated using the univariate Cox proportional-hazards model.
SLE Systemic lupus erythematosus, HR hazard ratio.