Table 3.
Hazard ratio (HR) with 95% CI for a live-born child after total hip replacement (THR) in patients in relation to reference individuals without THR according to various demographic factors, diabetes mellitus diagnosis, and rheumatoid arthritis diagnosis in Finland, 1985–2006
| Men HR (95% CI) | Women HR (95% CI) | |
|---|---|---|
| Crude | 0.69 (0.60–0.79) | 0.47 (0.40–0.55) |
| Adjusted a | 0.80 (0.69–0.92) | 0.56 (0.46–0.68) |
| Age in years at the start of follow-up | ||
| 15–19 | 0.57 (0.24–1.4) | 0.34 (0.20–0.60) |
| 20–34 | 0.61 (0.50–0.74) | 0.43 (0.36–0.51) |
| 35–39 | 0.74 (0.56–0.97) | 0.38 (0.25–0.60) |
| 40–45 | 0.57 (0.40–0.81) | 0.43 (0.15–1.2) |
| 46–50 for men | 1.12 (0.67–1.9) | N/A |
| Number of previous live births before THR | ||
| 0 | 0.58 (0.46–0.72) | 0.36 (0.29–0.44) |
| ≥ 1 | 0.75 (0.63–0.89) | 0.48 (0.38–0.61) |
| Marital status | ||
| Never married | 0.48 (0.33–0.70) | 0.36 (0.25–0.51) |
| Ever married | 0.74 (0.64–0.86) | 0.51 (0.43–0.61) |
| Diabetes mellitus | ||
| Yes | 1.32 (0.37–4.7) | 0.64 (0.12–3.5) |
| No | 0.69 (0.60–0.79) | 0.47 (0.40–0.55) |
| Rheumatoid arthritis | ||
| Yes | 1.81 (0.65–5.1) | 0.84 (0.37–1.9) |
| No | 0.67 (0.58–0.78) | 0.44 (0.36–0.54) |
HR: hazard ratio. Reference (HR =1.0) are individuals without THR.
Hazard ratio adjusted for age at the start of follow-up, number of previous live births before THR, marital status, diabetes mellitus, and rheumatoid arthritis.