Table 2. Effect of surgical type on all-cause mortality of different time frame according to age group.
| Age group | Patients aged 65–79 years (n = 3,228) | Patients aged 80–99 years (n = 2,994) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of deaths | No. of subjects | Mortality rate (%) | aRR | 95% CI | P value | No. of deaths | No. of subjects | Mortality rate (%) | aRR | 95% CI | P value | ||
| 30-days mortality | 0.514 | < 0.001 | |||||||||||
| HA | 48 | 3,015 | 1.59 | 1 | 95 | 2,989 | 3.28 | 1 | |||||
| THA | 3 | 213 | 1.41 | 0.66 | 0.19–2.29 | 11 | 96 | 11.46 | 3.57 | 2.00–6.40 | |||
| In-hospital mortality | 0.133 | 0.010 | |||||||||||
| HA | 93 | 3,015 | 3.08 | 1 | 153 | 2,989 | 5.28 | 1 | |||||
| THA | 4 | 213 | 1.88 | 0.46 | 0.16–1.27 | 11 | 96 | 11.46 | 2.16 | 1.20–3.87 | |||
| 60-days mortality | 0.641 | 0.006 | |||||||||||
| HA | 105 | 3,015 | 3.48 | 1 | 221 | 2,989 | 7.63 | 1 | |||||
| THA | 7 | 213 | 3.29 | 0.83 | 0.37–1.83 | 14 | 96 | 14.58 | 1.96 | 1.21–3.18 | |||
| 90-days mortality | 0.965 | 0.078 | |||||||||||
| HA | 155 | 3,015 | 5.14 | 1 | 311 | 2,989 | 10.73 | 1 | |||||
| THA | 12 | 213 | 5.63 | 1.01 | 0.56–1.83 | 15 | 96 | 15.63 | 1.52 | 0.95–2.42 | |||
| 180-days mortality | 0.701 | 0.674 | |||||||||||
| HA | 268 | 3,015 | 8.89 | 1 | 440 | 2,989 | 15.18 | 1 | |||||
| THA | 19 | 213 | 8.92 | 0.91 | 0.57–1.46 | 16 | 96 | 16.67 | 1.10 | 0.70–1.74 | |||
| 1-year mortality | 0.678 | 0.641 | |||||||||||
| HA | 394 | 3,015 | 13.07 | 1 | 643 | 2,989 | 22.19 | 1 | |||||
| THA | 26 | 213 | 12.21 | 0.92 | 0.63–1.36 | 23 | 96 | 23.96 | 1.09 | 0.76–1.57 | |||
Bold-faced P values indicate statistically significance.
aRR = adjusted risk ratio, CI = confidence interval, HA = hemiarthroplasty, THA = total hip arthroplasty.