Table I.
Number of patients readmitted within 30 d based on patient demographics.
| Characteristic | Readmission within 30 d |
P value | |
|---|---|---|---|
| No (n = 2703) | Yes (n = 122) | ||
| Sex | .072 | ||
| Female | 2017 (74.6) | 82 (67.2) | |
| Male | 686 (25.4) | 40 (32.8) | |
| Mean age (yr) | 64.83 ± 13.52 | 69.98 ± 12.96 | <.001 |
| Age ≤ 50 | 360 (13.3) | 10 (8.2) | .130 |
| Age 51-65 | 922 (34.1) | 36 (29.5) | .329 |
| Age 66-80 | 1130 (41.8) | 44 (36.1) | .223 |
| Age ≥ 81 | 291 (10.8) | 32 (26.2) | <.001 |
| Mean BMI (kg/m2) | 29.69 ± 7.48 | 29.65 ± 7.32 | .964 |
| BMI <18.5 | 68 (2.5) | 4 (3.3) | .551 |
| BMI 18.5-24.9 | 700 (25.9) | 28 (23.0) | .526 |
| BMI 25.0-25.9 | 818 (30.3) | 38 (31.1) | .841 |
| BMI 30-34.9 | 583 (21.6) | 33 (27.0) | .178 |
| BMI 35-39.9 | 276 (10.2) | 10 (8.2) | .542 |
| BMI ≥40 | 258 (9.5) | 9 (7.4) | .527 |
| ASA class | <.001 | ||
| 1 or 2 | 1279 (47.3) | 31 (25.4) | |
| ≥ 3 | 1424 (52.7) | 91 (74.6) | |
| Smoking | .284 | ||
| Nonsmoker | 2208 (81.7) | 95 (77.9) | |
| Smoker | 495 (18.3) | 27 (22.1) | |
| Diabetes | .564 | ||
| Nondiabetic | 2163 (80.0) | 95 (77.9) | |
| Diabetic | 540 (20.0) | 27 (22.1) | |
| COPD | .367 | ||
| No | 2514 (93.0) | 111 (91.0) | |
| Yes | 189 (7.0) | 11 (9.0) | |
| CHF | .030 | ||
| No | 2679 (99.1) | 118 (96.7) | |
| Yes | 24 (0.9) | 4 (3.3) | |
| Hypertension | .078 | ||
| No | 1217 (45.0) | 45 (36.9) | |
| Yes | 1486 (55.0) | 77 (63.1) | |
| Steroids | 1.000 | ||
| No | 2615 (96.7) | 118 (96.7) | |
| Yes | 88 (3.3) | 4 (3.3) | |
| Functional status | <.001 | ||
| Independent | 2603 (96.3) | 103 (84.4) | |
| Dependent | 100 (3.7) | 19 (15.6) | |
| Inpatient vs. outpatient | <.001 | ||
| Outpatient | 1094 (40.5) | 28 (23.0) | |
| Inpatient | 1609 (59.5) | 94 (77.0) | |
| Procedure type | |||
| ORIF | 1764 (65.3) | 65 (53.3) | .009 |
| RTSA | 662 (24.5) | 45 (36.9) | .002 |
| HA | 277 (10.2) | 12 (9.8) | 1.000 |
| Mean operative time (min) | 115.91 ± 52.34 | 116.03 ± 49.37 | .978 |
| Mean length of hospital stay (d) | 2.23 ± 3.21 | 3.30 ± 3.95 | <.001 |
| Discharge destination | <.001 | ||
| Home | 2251 (83.3) | 83 (68.0) | |
| Nonhome | 452 (16.7) | 39 (32.0) | |
BMI, body mass index; ASA, American Society of Anesthesiologists; COPD, chronic obstructive pulmonary disorder; CHF, congestive heart failure; ORIF, open reduction internal fixation; RTSA, reverse total shoulder arthroplasty; HA, hemiarthroplasty.
Bold P-values indicate patient demographics with statistical significance.