Table 2.
Population demographics
| Variable | Outpatient | Inpatient | p-value |
|---|---|---|---|
| No. of cases | 76 | 150 | |
| Age (yr) | 46.72 ± 8.62 | 47.44 ± 10.50 | 0.754 |
| < 40 | 18 (38.3) | 29 (61.7) | 0.538 |
| 40–60 | 54 (34.2) | 104 (65.8) | 0.903 |
| > 60 | 4 (19.0) | 17 (81.0) | 0.172 |
| Sex | 0.221 | ||
| Male | 49 (64.5) | 84 (56.0) | |
| Female | 27 (35.5) | 66 (44) | |
| BMI (kg/m2) | 29.03 ± 5.55 | 31.41 ± 6.58 | 0.019* |
| Normal (18.5–24.9) | 16 (21.1) | 19 (12.7) | 0.100 |
| Underweight (< 18.5) | 0 (0) | 0 (0) | |
| Overweight (25–29.9) | 33 (43.4) | 56 (37.3) | 0.376 |
| Obese – Class I (30–34.9) | 17 (22.4) | 37 (24.7) | 0.702 |
| Severely obese – Class II (35–39.9) | 6 (7.9) | 27 (18) | 0.043* |
| Morbidly obese – Class III (≥ 40) | 3 (3.9) | 9 (6.0) | 0.506 |
| BMI data not available | 1 (1.3) | 2 (1.3) | |
| Current smoker (within 1 yr) | 23 (30.3) | 36 (24) | 0.311 |
| Transfer status | 0.600 | ||
| Admitted from home | 0 (0) | 1 (0.7) | 0.383 |
| Nursing home – chronic care – intermediate care | 76 (100) | 148 (98.7) | 0.319 |
| From acute care hospital inpatient | 0 (0) | 1 (0.7) | 0.383 |
| Preoperative hematocrit (%) | 42.86 ± 3.46 | 42.33 ± 5.44 | 0.504 |
Values are presented as mean±standard deviation or number (%).
BMI, body mass index.
*
p<0.05.