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Baseline characteristics
| Variable | NOM | LC | p-value | |
|---|---|---|---|---|
| Overall | 395 | 203 | — | |
| Age (years), median (range) | 79 (19–97) | 61 (17–89) | 0.0001 | |
| ASA grade | 1 | 18 | 59 | 0.0000 |
| 2 | 140 | 107 | ||
| 3 | 217 | 31 | ||
| 4 | 17 | 5 | ||
| 5 | 2 | — | ||
| Female, n (%) | 221 (55) | 118 (58) | 0.61 | |
NOM = non-operative management; LC = laparoscopic cholecystectomy; ASA = American Society of Anesthesiologists
