Table 4 Adjusted odds ratio† of preoperative assessment clinic utilization by surgical division and distance compared with referent group (0 to 50 kilometers)
Odds Ratio (95% Confidence Interval) | ||||||
|---|---|---|---|---|---|---|
Surgical Specialty | 0–50 kilometers | 51–100 kilometers | 101–150 kilometers | 151–200 kilometers | 201–250 kilometers | >250 kilometers |
General | 1.00 (reference) | 0.54 (0.37–0.79) | 0.35 (0.21–0.57) | 0.24 (0.15–0.38) | 0.27 (0.13–0.56) | 0.31 (0.19–0.51) |
Cardio/Thoracic | 1.00 (reference) | 1.05 (0.71–1.55) | 0.46 (0.31–0.69) | 0.53 (0.39–0.72) | 0.32 (0.20–0.51) | 0.60 (0.42–0.86) |
Neurosurgery | 1.00 (reference) | 0.48 (0.30–0.77) | 0.26 (0.17–0.40) | 0.48 (0.33–0.69) | 0.23 (0.12–0.43) | 0.23 (0.14–0.36) |
Orthopedic | 1.00 (reference) | 0.82 (0.47–1.43) | 0.72 (0.31–1.66) | 0.24 (0.13–0.44) | 0.20 (0.08–0.48) | 0.17 (0.09–0.34) |
Obstetrics & Gynecology | 1.00 (reference) | 0.22 (0.15–0.34) | 0.18 (0.10–0.32) | 0.19 (0.11–0.34) | 0.07 (0.02–0.30) | 0.13 (0.07–0.23) |
Other* | 1.00 (reference) | 0.23 (0.12–0.47) | 0.13 (0.04–0.35) | 0.20 (0.09–0.42) | 0.04 (0.01–0.30) | 0.12 (0.05–0.30) |