Table 2.
Clinical profile of the cases and controls
| Clinical variables | Total n=399 | Cases n=232 | Controls n=167 |
|---|---|---|---|
| APAIS-A1 (anxiety on reporting to day care ward a day before surgery)a | 12.9±2.90 | 14.22±2.25 | 11.23±2.81 |
| APAIS-A2 (anxiety on the day of surgery)a | 13.8±3.54 | 16.09±1.89 | 10.60±2.73 |
| APAIS-N1 (needs more information on reporting a day before surgery)a | 6.90±1.63 | 7.31±1.34 | 6.32±1.81 |
| APAIS-N2 (needs information on day of surgery)a | 7.17±1.72 | 8.16±1.02 | 5.79±1.55 |
| General surgery | 152 (38.1) | 86 (36.1) | 66 (39.5) |
| Orthopedic surgery | 118 (29.6) | 67 (28.9) | 51 (30.5) |
| ENT surgery | 37 (9.3) | 22 (9.5) | 15 (9) |
| Urological surgery | 69 (17.3) | 45 (19.4) | 24 (14.4) |
| Epidural steroid injections | 23 (5.8) | 12 (5.2) | 11 (6.6) |
| Fear of needlesb | 60 (15) | 46 (19.8) | 14 (8.4) |
| Fear of waking up during the surgeryb | 83 (20.8) | 77 (33.2) | 6 (3.6) |
| Fear of painb | 354 (88.7) | 206 (88.8) | 148 (88.6) |
| Fear of bleedingb | 22 (5.5) | 17 (7.3) | 5 (3) |
| Fear of disabilityb | 3 (0.8) | 3 (1.3) | 0 |
| Fear of nil per oral statusb | 1 (0.3) | 1 (0.4) | 0 |
| Duration of surgery ≤1 hb | 265 (66.4) | 145 (62.5) | 120 (71.9) |
| Type of anesthesiab | |||
| GA | 234 (58.6) | 130 (56) | 104 (62.3) |
| Neuraxial block | 131 (32.8) | 86 (37.1) | 45 (26.9) |
| Local anesthesia | 34 (8.5) | 16 (6.9) | 18 (10.8) |
| Waiting time (h)c | 1.35, 0.3-3 | 1.5, 0.45-3 | 1.3, 0.2-2.35 |
| Total PACU time (from PACU time to discharge from day care), ha | 6.04±1.85 | 6.01±1.79 | 6.09±1.94 |
APAIS – Amsterdam Preoperative Anxiety and Information Scale; GA – General Anesthesia; PACU – Postanesthesia care unit. aMean±standard deviation; bFrequency (%); cMedian, interquartile range