. Author manuscript; available in PMC: 2023 Dec 1.

Published in final edited form as: Surgery. 2022 Oct 22;172(6):1673–1681. doi: 10.1016/j.surg.2022.09.012

Table 4.

Surgical Outcomes and Alcohol Biomarkers in Brief Advice and Health Coaching conditions.

	Total Sample N = 51	Brief Advice N = 26	Health Coaching N = 25
	N (%)	N (%)	N (%)
Surgical Outcomes (30 days after surgery)
Postoperative complications (≥ 1)	5 (9.8%)	2 (7.7%)	3 (12.0%)
Postoperative ICU admission	1 (2.0%)	0 (0.0%)	1 (4.0%)
Postoperative event^†	12 (23.5%)	5 (3.8%)	7 (12.0%)
Length of Stay, in days (Mean, SD)	0.9 (1.4)	0.8 (1.1)	1.0 (1.8)
Postoperative Mortality	0 (0.0%)	0 (0.0%)	0 (0.0%)
Alcohol Biomarkers ^*
Phosphatidylethanol
Positive	14 (50%)	8 (57.1%)	6 (42.9%)
Negative	14 (50%)	6 (42.9%)	8 (57.1%)
Missing	23	12	11
Ethyl Glucuronide
Positive	0 (0.0%)	0 (0.0%)	0 (0.0%)
Negative	31 (100.0%)	16 (100.0%)	15 (100.0%)
Missing	20	11	9

Biomarker Percentages calculated using the total number of available biomarkers as the denominator; Phosphotidylethanol = 28; Ethyl Glucuronide = 31.

^†

Postoperative events defined as presentation to ED or Urgent care for a complaint related to the index procedure, readmission, or unplanned return to the operating room.