Table 4.
Mortality differences between early and delayed surgery.
| Mortality in early surgery |
Mortality in delayed surgery |
Mortality differences between early and delayed surgery | ||||||
|---|---|---|---|---|---|---|---|---|
| N | % | n | % | % | 95CI | p | ||
| Age | 60-69 years | 930 | 0.86 | 2,654 | 1.09 | -0.23 | -0.95; 0.48 | 0.546 |
| 70-79 years | 3,825 | 2.09 | 12,015 | 2.66 | -0.57 | -1.10; -0.03 | 0.050 | |
| 80-89 years | 6,658 | 3.97 | 20,651 | 4.52 | -0.56 | -1.10; -0.01 | 0.053 | |
| 90+ years | 2,585 | 7.23 | 7,182 | 8.28 | -1.05 | -2.24; 0.13 | 0.091 | |
| Sex | Male | 2,750 | 6.58 | 9,404 | 6.81 | -0.22 | -1.28; 0.83 | 0.681 |
| Female | 11,240 | 3.19 | 33,088 | 3.84 | -0.56 | -0.94; -0.17 | 0.006 | |
| Fracture | Intracapsular | 5,400 | 3.31 | 17,404 | 4.13 | -0.82 | -1.38; -0.25 | 0.007 |
| Trochanteric | 7,747 | 3.95 | 22,252 | 4.38 | -0.43 | -0.94; 0.08 | 0.109 | |
| NOS | 851 | 6.35 | 2,846 | 6.50 | -0.15 | -2.02; 1.72 | 0.872 | |
| Surgery | Fixation | 9,394 | 3.94 | 25,820 | 4.47 | -0.45 | -0.92; -0.02 | 0.065 |
| Arthroplasty | 4,604 | 3.67 | 16,682 | 4.39 | -0.79 | -1.42; -0,17 | 0.018 | |
| Weekend | No | 10,824 | 3.73 | 30,935 | 4.49 | -0.76 | -1.18; -0.33 | < 0.001 |
| Admission | Yes | 3,174 | 4.25 | 11,567 | 4.23 | 0.02 | -0,77; 0.82; | 0.949 |
| Charlson | 0 | 9,644 | 2.98 | 26,727 | 3.21 | -0.23 | -0.63; 0.17 | 0.266 |
| Index | 1 | 3,402 | 4.32 | 11,820 | 4.96 | -0.64 | -1.42; 0.15 | 0.126 |
| 2 | 721 | 8.88 | 2,877 | 9.04 | -0.16 | -2.49; 2.16 | 0.893 | |
| 3 | 148 | 18.92 | 654 | 13.00 | 5.92 | -0.89; 12.73 | 0.061 | |
| > 3 | 83 | 15.66 | 424 | 21.23 | -5.56 | -14.30; 3.17 | 0.249 | |
| Risk | 0 | 512 | 0.00 | 1,306 | 0.46 | -0.46 | -0.83; -0.09 | 0.124 |
| Mortality | 4-6 | 2,747 | 0.66 | 7,620 | 0.96 | -0.30 | -0.67; 0.06 | 0.145 |
| Index | 7-12 | 5,527 | 2.12 | 16,710 | 2.30 | -0.19 | -0.63; 0.02 | 0.417 |
| > 12 | 5,212 | 7.75 | 16,866 | 8.38 | -0.63 | -1.47; 0.02 | 0.147 | |
| Number of | 0-1 | 5,783 | 1,25 | 13,863 | 1.49 | -0.24 | -0.59; 0.10 | 0.193 |
| Secondary | 2-3 | 4,629 | 3.05 | 13,343 | 2.59 | -0.49 | -0.10; 1.02 | 0.096 |
| Diagnoses | 4-6 | 2,364 | 5.58 | 8,958 | 5.38 | 0.20 | -0.83; 1.23 | 0.698 |
| > 6 | 1,222 | 15.88 | 6,338 | 13.33 | 2.54 | 0.33; 4.75 | 0.018 | |
| Time to | 0-1 days | 13,998 | 3.85 | -- | -- | -- | -- | -- |
| Surgery | 2-5 days | -- | -- | 28,069 | 3.81 | -- | -- | -- |
| 6-14 days | -- | -- | 13,303 | 5.93 | -- | -- | -- | |
| 14-30 days | -- | -- | 1,130 | 9.91 | -- | -- | -- | |
| Year | 2002 | 3,528 | 3.29 | 10,065 | 4.87 | -1.58 | -2.30; -0.86 | < 0.001 |
| 2003 | 3,705 | 3.99 | 10,698 | 4.61 | -0.61 | -1.36; 0.13 | 0.118 | |
| 2004 | 3,549 | 4.25 | 10,684 | 4.15 | 0.10 | -0.66; 0.87 | 0.780 | |
| 2005 | 3,216 | 3.86 | 11,055 | 4.09 | -0.23 | -0.99; 0.53 | 0.555 | |
| TOTAL | 13,998 | 3.85 | 42,502 | 4.42 | -0.57 | -0.94; -0.19 | 0.004 | |
Stratified analysis.
Variables with missing values: sex (n = 18); NOS: Non-Otherwise Specified; 95%CI: 95% confidence interval.