Table III.
Number of patients requiring reoperation within 30 d based on patient demographics.
| Characteristic | Reoperation within 30 d |
P value | |
|---|---|---|---|
| No (n = 2752) | Yes (n = 73) | ||
| Sex | .002 | ||
| Female | 2057 (74.7) | 42 (57.5) | |
| Male | 695 (25.3) | 31 (42.5) | |
| Mean age (yr) | 65.02 ± 13.55 | 66.33 ± 12.75 | .415 |
| Age ≤50 | 363 (13.2) | 7 (9.6) | .461 |
| Age 51-65 | 926 (33.6) | 32 (43.8) | .079 |
| Age 66-80 | 1151 (41.8) | 23 (31.5) | .092 |
| Age ≥81 | 312 (11.3) | 11 (15.1) | .348 |
| Mean BMI (kg/m2) | 29.70 ± 7.48 | 29.50 ± 7.24 | .823 |
| BMI < 18.5 | 70 (2.5) | 2 (2.7) | .710 |
| BMI 18.5-24.9 | 707 (25.7) | 21 (28.8) | .588 |
| BMI 25.0-25.9 | 835 (30.3) | 21 (28.8) | .897 |
| BMI 30-34.9 | 600 (21.8) | 16 (21.9) | 1.000 |
| BMI 35-39.9 | 280 (10.2) | 6 (8.2) | .697 |
| BMI ≥40 | 260 (9.4) | 7 (9.6) | 1.000 |
| ASA class | .406 | ||
| 1 or 2 | 1280 (46.5) | 30 (41.1) | |
| ≥3 | 1472 (53.5) | 43 (58.9) | |
| Smoking | .170 | ||
| Nonsmoker | 2248 (81.7) | 55 (75.3) | |
| Smoker | 504 (18.3) | 18 (24.7) | |
| Diabetes | .553 | ||
| Nondiabetic | 2197 (79.8) | 61 (83.6) | |
| Diabetic | 555 (20.2) | 12 (16.4) | |
| COPD | .643 | ||
| No | 2558 (93.0) | 67 (91.8) | |
| Yes | 194 (1.0) | 6 (8.2) | |
| CHF | .521 | ||
| No | 2725 (99.0) | 72 (98.6) | |
| Yes | 27 (1.0) | 1 (1.4) | |
| Hypertension | .722 | ||
| No | 1231 (44.7) | 31 (42.5) | |
| Yes | 1521 (55.3) | 42 (57.5) | |
| Steroids | 1.000 | ||
| No | 2662 (96.7) | 71 (97.3) | |
| Yes | 90 (3.3) | 2 (2.7) | |
| Functional status | 2642 (96.0) | 64 (87.7) | .003 |
| Independent | 110 (4.0) | 9 (12.3) | |
| Dependent | |||
| Inpatient vs. outpatient | .015 | ||
| Outpatient | 1103 (40.1) | 19 (26.0) | |
| Inpatient | 1649 (59.9) | 54 (74.0) | |
| Procedure type | |||
| ORIF | 1782 (64.8) | 47 (64.4) | 1.000 |
| TSA | 687 (25.0) | 20 (27.4) | .681 |
| HA | 283 (10.3) | 6 (8.2) | .697 |
| Mean operative time (min) | 115.80 ± 52.25 | 120.36 ± 50.75 | .462 |
| Mean length of hospital stay (d) | 2.24 ± 3.19 | 3.67 ± 4.87 | <.001 |
| Discharge destination | .018 | ||
| Home | 2282 (82.9) | 52 (71.2) | |
| Nonhome | 470 (17.1) | 21 (28.8) | |
BMI, body mass index; ASA, American Society of Anesthesiologists; COPD, chronic obstructive pulmonary disorder; CHF, congestive heart failure; ORIF, open reduction internal fixation; TSA, total shoulder arthroplasty; HA, hemiarthroplasty.
Bold P-values indicate patient demographics with statistical significance.