Table 1.
Patient characteristics (n=4388).
| Characteristic | Total (n=4388) | Telephone group (n=2160) | SMSa group (n=2228) | P value | |
| Age in years, mean (SD) | 43.2 (17.6) | 43.0 (17.4) | 43.3 (17.9) | .61 | |
| Sex, n (%) |
|
|
|
|
|
|
|
Women | 3011 (68.62) | 1466 (68.87) | 1545 (69.34) | .67 |
|
|
Men | 1377 (31.38) | 694 (32.13) | 683 (30.66) | .47 |
| Length of surgery (min), mean (SD) | 51.5 (32.6) | 52.5 (30.6) | 50.5 (31.6) | .04 | |
| Type of surgery, n (%) |
|
|
|
|
|
|
|
Thoracic | 198 (4.51) | 76 (3.52) | 122 (5.48) | .002 |
|
|
Vascular | 136 (3.10) | 64 (2.96) | 72 (3.23) | .67 |
|
|
Oral | 296 (6.75) | 168 (7.78) | 128 (5.75) | .009 |
|
|
Dental | 190 (4.33) | 87 (4.03) | 103 (4.62) | .37 |
|
|
Ear, nose, and throat | 417 (9.50) | 225 (10.42) | 192 (8.62) | .04 |
|
|
Orthopedic | 1578 (35.96) | 817 (37.82) | 761 (34.16) | .01 |
|
|
Gynecologic | 1573 (35.85) | 723 (33.47) | 850 (38.15) | .001 |
aSMS: short message service.