Table 3: Characteristics and outcomes of patients with Grade I/II AC.

Group A < 85.4 years: 149 patients (50.5%)Nonoperated: 88 (58.4%)Operated: 61 (40.9%)

Poor physical status47 (53.4%)17 (27.9%)0.002
Cholecystostomy4 (4.5%)
Days of hospital stay5.5 ± 3.15.3 ± 3.50.7
30-day readmissions6 (6.8%)3 (4.9%)0.6
Two-year AC recurrence18 (20.7%)
30-day Dindo–Clavién ≥ II11 (12.5%)5 (8.2%)0.4
30-day mortality001

Group B > 85.4 years: 146 patients (49.5%)Nonoperated: 121 (82.8%)Operated: 25 (17.2%)

Poor physical status52 (43.1%)13 (52.6%)0.4
Cholecystostomy11 (9.0%)
Days of hospital stay5.6 ± 4.67.5 ± 7.40.09
30-day readmissions2 (1.7%)1 (4.2%)0.4
Two-year AC recurrence26 (22%)
30-day Dindo–Clavién ≥ II7 (5.8%)6 (24.0%)0.004
30-day mortality01 (4.0%)0.1
Cause of deathASA IV-renal failure