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Demographics of Patients Undergoing Laparoscopic Cholecystectomy -An Evaluation of Changes in Perioperative Outcomes.
| May 1990 - Aug 1992 | Sept 1992 - Feb 1997 | |
|---|---|---|
| Number | 600 | 1025 |
| Male (%) | 158 (26.3%) | 250 (24.4%) |
| Female (%) | 442 (73.7) | 775 (75.6%) |
| Age | ||
| Mean | 52.2 years | 49.8 years |
| Range | 20-90 years | 14-01 years |
