Age standardised hospitalisation rates (SHR × 10000 women aged 35 or more) and ratio of standardised rates (RSR) for hysterectomy attributable to non malignant causes by socioeconomic status and age group. Rome, 1997
| Overall | |||||
|---|---|---|---|---|---|
| Socioeconomic level | Number | SHR | 95% CI | RSR | 95% CI |
| I | 423 | 25.8 | 23.4 to 28.4 | 1.00 | |
| II | 792 | 28.0 | 26.1 to 30.0 | 1.08 | 0.98 to 1.20 |
| III | 822 | 32.3 | 30.2 to 34.6 | 1.25 | 1.13 to 1.38 |
| IV | 542 | 34.7 | 31.9 to 37.8 | 1.34 | 1.20 to 1.50 |
| Total | 2579 | ||||
| Linear test for trend | 0.012 | ||||
| 35–49 years | |||||
|---|---|---|---|---|---|
| Socioeconomic level | Number | SHR | 95% CI | RSR | 95% CI |
| I | 187 | 34.8 | 30.2 to 40.2 | 1.00 | |
| II | 410 | 42.3 | 38.4 to 46.6 | 1.22 | 1.02 to 1.45 |
| III | 453 | 50.2 | 45.8 to 55.0 | 1.44 | 1.22 to 1.71 |
| IV | 306 | 55.6 | 49.7 to 62.2 | 1.60 | 1.33 to 1.92 |
| Total | 1356 | ||||
| Linear test for trend | 0.011 | ||||
| 50+ years | |||||
|---|---|---|---|---|---|
| Socioeconomic level | Number | SHR | 95% CI | RSR | 95% CI |
| I | 236 | 21.0 | 18.5 to 23.9 | 1.00 | |
| II | 382 | 20.4 | 18.4 to 22.5 | 0.97 | 0.82 to 1.14 |
| III | 369 | 22.8 | 20.6 to 25.3 | 1.09 | 0.92 to 1.27 |
| IV | 236 | 23.6 | 20.8 to 26.8 | 1.12 | 0.94 to 1.34 |
| Total | 1223 | ||||
| Linear test for trend | 0.151 | ||||