Table 2 Odds ratios of preoperative assessment clinic utilization by distance compared with referent group (0–50 kilometers).

1.00 (reference)

1.00 (reference)

1.00 (reference)

0.57 (0.48–0.67)

0.52(0.44–0.63)

0.43 (0.36–0.53)

0.33 (0.27–0.40)

0.32 (0.26–0.39)

0.28 (0.22–0.36)

0.36 (0.30–0.42)

0.34 (0.29–0.40)

0.30 (0.25–0.37)

0.23 (0.17–0.30)

0.20 (0.15–0.26)

0.18 (0.13–0.26)

0.27 (0.23–0.33)

0.26 (0.21–0.31)

0.20 (0.16–0.25)