Table 4.
Hazard ratios for the mortality in subgroups
| Variable | No. of the deaths/patients (%) |
HR (95% CI) |
p value for interaction | ||||
|---|---|---|---|---|---|---|---|
| Percutaneous catheter | Tunneled cuffed catheter | AV access | Percutaneous catheter | Tunneled cuffed catheter | AV access | ||
| Age group, yr | 319/815 (39.1) | 175/491 (35.6) | 140/739 (18.9) | - | - | - | < 0.001 |
| < 65 | 95/465 (20.4) | 60/287 (21.0) | 78/439 (17.8) | 1.18 (0.89–1.56) | 1.28 (0.92–1.78) | Reference | |
| 65–74 | 127/219 (58.0) | 69/136 (50.7) | 45/231 (19.5) | 2.43 (1.82–3.23) | 2.27 (1.64–3.13) | Reference | |
| ≥ 75 | 97/131 (74.0) | 46/68 (67.6) | 17/69 (24.6) | 2.78 (1.92–4.03) | 1.92 (1.23–2.98) | Reference | |
HR, hazard ratio; CI, confidence interval; AV, arteriovenous.