Table 2 Incidence of amputation and multivariate Cox proportional hazards regression analysis measured hazard ratio for PD patients using hypertonic solution
Comparison cohort | HPD cohort | |||||||
|---|---|---|---|---|---|---|---|---|
Variable | Event | PY | Rate | Event | PY | Rate | Crude HR (95% CI) | Hazard ratio (95% CI) |
Overall | 10 | 1248 | 8.01 | 15 | 633 | 23.68 | 2.98(1.33-6.66) | 2.48(1.06-5.79) |
Age group | ||||||||
<50 | 1 | 774 | 1.29 | 4 | 311 | 12.86 | 10.32(1.15-92.58) | 1.20(0.11-12.59) |
51-70 | 8 | 374 | 21.35 | 8 | 275 | 29.60 | 1.41(0.52-3.78) | 3.06(0.92-10.22) |
>70 | 1 | 99 | 10.08 | 3 | 47 | 63.43 | 6.24(0.63-61.52) | 5.65(0.51-62.54) |