Table 1.
Patient demographic and clinical characteristics
| Characteristic | No. (%) of patients* | p value | ||
|---|---|---|---|---|
| All n = 150 |
Grade I cholecystitis n = 104 |
Grade II and III cholecystitis n = 46 |
||
| Sex, female | 91 (60.7) | 68 (65.4) | 23 (50.0) | 0.11 |
| Age, yr, mean (range)† | 51.5 (20–90) | 50.2 (20–87) | 54.4 (24–90) | 0.14 |
| Comorbidities‡ | ||||
| Obesity | 58 (39.3) | 41 (39.4) | 17 (37.0) | 0.86 |
| CAD | 13 (8.6) | 9 (8.7) | 4 (8.7) | 1.00 |
| COPD | 5 (3.3) | 4 (3.8) | 1 (2.2) | 1.00 |
| OSA | 7 (4.7) | 5 (4.8) | 2 (4.3) | 1.00 |
| Asthma | 10 (6.7) | 10 (6.7) | 0 (0) | 0.032 |
| Current smoker | 39 (26.0) | 25 (24.0) | 14 (30.4) | 0.42 |
| Type 2 diabetes | 23 (15.3) | 11 (10.6) | 12 (26.1) | 0.025 |
| AACCI score‡ | ||||
| 0 | 47 (31.3) | 33 (31.7) | 14 (30.4) | 1.00 |
| 1–5 | 97 (64.7) | 66 (63.5) | 31 (67.4) | 1.00 |
| 6–10 | 6 (4.0) | 5 (4.8) | 1 (2.2) | 0.67 |
| Median (range)§ | 1 (0–9) | 1 (0–7) | 1.5 (0–9) | 0.22 |
| ASA score‡ | ||||
| 1 | 5 (3.3) | 3 (2.8) | 2 (4.3) | 0.64 |
| 2 | 41 (27.3) | 29 (27.9) | 12 (26.1) | 1.00 |
| 3 | 89 (59.3) | 63 (60.6) | 26 (56.5) | 0.72 |
| 4 | 15 (10.0) | 9 (8.7) | 6 (13.0) | 0.39 |
AACCI = Age-adjusted Charlson Comorbidity Index; ASA = American Society of Anesthesiologists; CAD = coronary artery disease; COPD = chronic obstructive pulmonary disease; OSA = obstructive sleep apnea.
*
Unless indicated otherwise.
†
Independent samples t test.
‡
Fisher exact test.
§
Mann–Whitney U test.