Table 2.
Predictors of time to recovery among cataract patients (n = 307).
| Variables | Recovery |
Crude HR (95%CI) | Adjusted HR (95%CI) | |
|---|---|---|---|---|
| Event (n %) | Censored (n %) | |||
| Sex | ||||
| Male | 140(73.3%) | 51(26.7%) | 1.02 (0.765–1.348) | 1.02 (0.76–1.35) |
| Female | 83(71.5%) | 33(28.5%) | 1 | 1 |
| Age in years | ||||
| 1–15 | 36 (81.8%) | 8(18.2%) | 1 | 1 |
| 16–30 | 51 (89.5%) | 6 (10.5%) | 1.12 (0.730–1 .362) | 1.20 (1.07–2.36)* |
| 31–45 | 50(80.6%) | 12(19.4%) | 1.24 (1 .08 -1 .53) | 1.24 (1.08–1.54)* |
| 46–60 | 50(76.9%) | 15(23.1%) | 1.35 (1.08–1 .81) | 1.35 (0.98–1.89) |
| >60 | 36(45.6%) | 43(54.4%) | 1.45 (1.005–2 .562) | 1.4 (1.0–2.56) |
| Residence | ||||
| Rural | 89(60.1%) | 59(39.9%) | 1 | 1 |
| Urban | 134(84.3%) | 25(15.7%) | 0.68 (0.17–1.13) | 1.59 (1.18–2.14)* |
| Smoking habit | ||||
| No | 179(74.9%) | 60(25.1%) | 1 | 1 |
| Yes | 44(64.7%) | 24(35.3%) | 0.80 (0.55–1.17) | 0.80 (0.55–1.17) |
| Drinking alcohol habit | ||||
| Never | 64(85.3%) | 11(14.7%) | 1 | 1 |
| Past alcoholic | 96(73.85%) | 34(26.2%) | 1.12 (0.71 1.76) | 1.12 (0.71–1.78) |
| Current alcoholic | 63(61.8%) | 39(38.2%) | 1.53 (1.09–1.96) | 0.87 (0.47–1.63) |
| Diabetic Mellitus | ||||
| No | 158(83.2%) | 32(16.8%) | 1 | 1 |
| Yes | 65(55.6%) | 52(44.4%) | 0.75(0.04–0.84) | 0.75 (0.41–0.96)* |
| Level of Visual acuity | ||||
| Low | 32(31.68%) | 69(68.3%) | 1 | 1 |
| Medium | 122(91.7%) | 11(8.3%) | 0.72 (0.25–2.59) | 4.14(2.57–6.67)* |
| High | 69(94.5%) | 4(5.5%) | 0.29 (0.12–2.09 | 5.23(3.06–8.93)* |
| Types of cataract | ||||
| Age related | 66(61.7%) | 41(38.3%) | 1 | 1 |
| Traumatic | 100(87.0%) | 15(13.0%) | 0.65 0 (0.09–2.17) | 1.75 (1.01–3.02)* |
| Secondary | 23(53.5%) | 20(46.5%) | 0.71 (0.15–2.97) | 2.59 (1.46–4.60)* |
| Congenital | 34(81.0%) | 8(19.0%) | 0.55 (0.04 1.13) | 2.64 (0.86–8.11) |
| Types of cataract surgery | ||||
| SICE + PC IOL | 111(65.3%) | 59(34.7%) | 1 | 1 |
| ECCE + PC IOL | 112(81.7%) | 25(18.3%) | 0.79 (0.13–1.87) | 1.43(1.07–1.94)* |
Note: * variables significant with p-value ≤0.05; 1 = reference category; CHR = crude hazard ratio; AHR = adjusted hazard ratio; CI = confidence interval.