Table 1.
Distribution of Demographic and Clinical Variables between the Classical and PtDA Groups
| Variable | Classical group (n =1,470) | PtDA group (n = 1,516) | P value |
|---|---|---|---|
| Age (yr) | 56.42 ± 16.03 | 55.12 ± 16.23 | 0.029* |
| Sex | 0.460† | ||
| Male | 696 (47.35) | 698 (46.01) | |
| Female | 774 (52.65) | 819 (53.99) | |
| ASA | 0.100‡ | ||
| I | 231 (15.71) | 267 (17.60) | |
| II | 1108 (75.37) | 1137 (74.95) | |
| III | 128 (8.71) | 113 (7.45) | |
| IV | 3 (0.20) | 0 (0.00) | |
| Surgical specialty | 0.160† | ||
| General surgery | 266 (18.10) | 336 (22.15) | |
| Thoracic surgery | 55 (3.74) | 47 (3.10) | |
| Colorectal surgery | 47 (3.20) | 58 (3.82) | |
| Orthopedic surgery | 417 (28.37) | 373 (24.59) | |
| Otolaryngology | 139 (9.46) | 137 (9.03) | |
| Gynecological surgery | 110 (7.48) | 124 (8.17) | |
| Neurosurgery | 140 (9.52) | 152 (10.02) | |
| Urology | 185 (12.59) | 180 (11.87) | |
| Plastic surgery | 46 (3.13) | 45 (2.97) | |
| Others | 65 (4.42) | 65 (4.28) | |
| Decision-maker | |||
| Age (yr) | 53.55 ± 14.22 | 52.37 ± 14.13 | 0.022* |
| Sex | 0.160† | ||
| Male | 710 (48.30) | 694 (45.75) | |
| Female | 760 (51.70) | 823 (54.25) | |
| Relationship with patient | 0.430† | ||
| Patient | 1180 (80.27) | 1235 (81.41) | |
| Other | 290 (19.73) | 282 (18.59) | |
| Education | 0.036† | ||
| Junior high school or below | 456 (31.02) | 409 (26.96) | |
| Senior high or vocational school | 502 (34.15) | 519 (34.21) | |
| University or college | 462 (31.43) | 520 (34.28) | |
| Graduate school | 50 (3.40) | 69 (4.55) | |
| Location of hospital | 0.037† | ||
| North | 1283 (87.28) | 1361 (89.72) | |
| South | 187 (12.72) | 156 (10.28) | |
| Medication choice | < 0.001† | ||
| Sugammadex | 834 (56.73) | 1082 (71.32) | |
| Neostigmine | 636 (43.27) | 435 (28.68) |
Values are presented as mean ± SD and number (%). PtDA: patient decision aid, ASA: American Society of Anesthesiologists physical status. *t-test, †Chi-square test, ‡Fisher’s exact test.