Improved analgesia and reduced post-operative nausea and vomiting after implementation of an enhanced recovery after surgery (ERAS) pathway for total mastectomy

Table 1 Patient Demographics

Variable	Pre Group (n = 276)	ERAS group (n = 96)	p-value
Age (years), mean (SD)	48.8 ± 11.1	46.9 ± 8.91	0.24^*
BMI (kg/m²), mean (SD)	24.5 ± 5.58	23.6 ± 4.20	0.32^*
ASA class, median	2	2	0.60^*
Current Smoker, n (%)	14 (5%)	0 (0%)	0.03^ψ
Prior Smoker, n (%)	76 (30%)	21 (22%)	0.34⁺
Prior Opioid use, n (%)	29 (11%)	12 (13%)	0.85^ψ
PONV History, n (%)	67 (24%)	22 (23%)	0.94⁺
Surgeon, n (%)
1	1: 84 (30%)	1: 25 (26%)
2	2: 31 (11%)	2: 11 (11%)	< 0.001^ψ
3	3: 141 (51%)	3: 36 (38%)
4	4: 20 (7%)	4: 24 (25%)
Bilateral Mastectomy, n (%)	165 (60%)	56 (58%)	0.89⁺
Axillary Dissection / Lymphadenectomy, n (%)	204 (74%)	67 (70%)	0.51⁺

ISSN: 1471-2253