Table III:
Time to surgery beyond 48hours after adjusting for the following factors.
| Time to surgery > 48hrs (hrs) | Odds Ratio | Std Error | Z | p-value | 95% confidence | interval |
|---|---|---|---|---|---|---|
| Aspirin | 0.508 | 0.365 | -0.94 | 0.346 | 0.124 | 2.08 |
| Clopidogrel | 23.2 | 17.9 | 4.08 | 0.000 | 5.11 | 105.1 |
| DOACs | 93.0 | 132.6 | 3.18 | 0.001 | 5.67 | 1523.0 |
| Warfarin | 1 (empty)* | |||||
| Age | 0.994 | 0.033 | -0.17 | 0.863 | 0.932 | 1.06 |
| Gender, male | 1.15 | 0.730 | 0.22 | 0.823 | 0.333 | 3.99 |
| Chinese | 1.73 | 1.30 | 0.73 | 0.466 | 0.397 | 7.53 |
| Malay | 2.44 | 2.23 | 0.97 | 0.330 | 0.405 | 14.7 |
| Indian | 1 (empty)* | |||||
| Premorbid Parkers Score | 0.924 | 0.093 | -0.79 | 0.431 | 0.758 | 1.13 |
| Premorbid MBI score | 1.01 | 0.011 | 0.76 | 0.447 | 0.987 | 1.03 |
| No. of other reasons for delay | 374.1 | 253.4 | 8.75 | 0.000 | 99.2 | 1410.9 |
| No. of comorbidities | 1.09 | 0.210 | 0.44 | 0.661 | 0.746 | 1.59 |
| IT # | 0.895 | 0.445 | -0.22 | 0.823 | 0.337 | 2.37 |
| Subtrochanteric # | 0.872 | 1.76 | -0.07 | 0.946 | 0.017 | 45.8 |
| ASA, 3-4 | 0.681 | 0.429 | -0.61 | 0.542 | 0.198 | 2.34 |
| AMT score | 1.10 | 0.115 | 0.91 | 0.363 | 0.897 | 1.35 |
Abbreviations - #: fracture, AMT: Altered Mental Status, ASA: American Society of Anesthesiologists, IT: Intertrochanteric, MBI: Modified Barthel Index.
Note: * Values are empty as all Warfarin and Indian patients had delayed surgery, beyond 48 hours.