Table 3.
Variable | Crude odds ratio | Adjusted odds ratio* | ||||
---|---|---|---|---|---|---|
Crude OR | 95% CI | P value | Adjusted OR | 95% CI | P value | |
Group | ||||||
Classic | 1.00 | 1.00 | ||||
PtDA | 1.90 | (1.63, 2.21) | <0.001 | 1.93 | (1.65, 2.25) | <0.001 |
Age, per 1 year | 1.01 | (1.01, 1.02) | <0.001 | 1.02 | (1.01, 1.03) | <0.001 |
Sex | ||||||
Male | 1.00 | 1.00 | ||||
Female | 1.34 | (1.15, 1.56) | <0.001 | 1.33 | (1.03, 1.72) | 0.032 |
ASA | 0.310 | |||||
I | 1.00 | |||||
II | 1.00 | (0.81, 1.22) | 0.960 | |||
III | 1.25 | (0.90, 1.74) | 0.180 | |||
IV | 0.28 | (0.03, 3.14) | 0.300 | |||
Surgical specialty | 0.003 | 0.015 | ||||
General surgery | 1.00 | 1.00 | ||||
Thoracic surgery | 0.94 | (0.60, 1.47) | 0.770 | 0.98 | (0.62, 1.57) | 0.950 |
Colorectal surgery | 0.89 | (0.58, 1.39) | 0.620 | 0.95 | (0.60, 1.50) | 0.810 |
Orthopedic surgery | 0.76 | (0.61, 0.95) | 0.016 | 0.81 | (0.64, 1.02) | 0.070 |
Otolaryngology | 0.65 | (0.48, 0.87) | 0.004 | 0.74 | (0.54, 1.00) | 0.050 |
Gynecological surgery | 0.74 | (0.54, 1.02) | 0.060 | 0.69 | (0.50, 0.97) | 0.030 |
Neurosurgery | 1.05 | (0.78, 1.43) | 0.740 | 1.09 | (0.79, 1.49) | 0.610 |
Urology | 0.65 | (0.49, 0.85) | 0.002 | 0.66 | (0.50, 0.88) | 0.005 |
Plastic surgery | 0.50 | (0.32, 0.78) | 0.002 | 0.57 | (0.36, 0.91) | 0.018 |
Others | 0.87 | (0.58, 1.31) | 0.510 | 1.02 | (0.67, 1.55) | 0.930 |
Decision-maker | ||||||
Age, per 1 year | 1.01 | (1.00, 1.01) | 0.028 | 1.00 | (0.99, 1.01) | 0.480 |
Sex | ||||||
Male | 1.00 | 1.00 | ||||
Female | 1.25 | (1.07, 1.45) | 0.004 | 1.03 | (0.80, 1.32) | 0.850 |
Relationship with patient | ||||||
Patient | 1.00 | |||||
Others | 1.18 | (0.97, 1.43) | 0.100 | |||
Education | <0.001 | |||||
Junior high school or below | 1.00 | 1.00 | ||||
Senior high or vocational school | 0.98 | (0.81, 1.17) | 0.790 | 1.16 | (0.95, 1.42) | 0.150 |
University or college | 1.49 | (1.23, 1.80) | <0.001 | 2.04 | (1.62, 2.57) | <0.001 |
Graduate school | 1.74 | (1.14, 2.67) | 0.011 | 2.48 | (1.57, 3.91) | <0.001 |
Location of hospital | ||||||
North | 1.00 | 1.00 | ||||
South | 1.43 | (1.12, 1.83) | 0.004 | 1.53 | (1.18, 1.99) | 0.001 |
OR: odds ratio, PtDAs: patient decision aids, ASA: American Society of Anesthesiologists physical status. *Adjusted for variables with significant crude odds ratios.