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Table 1 Baseline characteristics of colorectal surgery patients receiving oral nutritional supplement prior to matching

From: Impact of early postoperative oral nutritional supplement utilization on clinical outcomes in colorectal surgery

Characteristics Before matching
Overall cohort (n = 61,031) Column percentage
Malnutrition 3103 5%
Male 28,047 46%
Age group
 < 30 1142 2%
 30–39 2783 5%
 40–49 6734 11%
 50–59 14,042 23%
 60–69 16,507 27%
 70–79 13,248 22%
 ≥80 6575 11%
VW score category
 < − 5 897 1%
 − 5 to − 1 7563 12%
 − 1 to 1 29,018 48%
 1 to 5 9133 15%
 > 5 14,420 24%
Comorbidities
 Cancer 12,333 20%
 Renal failure 2444 4%
 Chronic pulmonary disease 8440 14%
Payor category
 Managed care organization 21,682 36%
 Medicaid 2353 4%
 Medicare 29,018 48%
 Others 7978 13%
Race
 Black 4953 8%
 Hispanic 1030 2%
 Others 9808 16%
 White 45,240 74%
Open colorectal surgery 36,371 60%
Hospital bed size
 < 200 5446 9%
 200–499 32,410 53%
 ≥ 500 23,175 38%
Teaching hospital 26,037 43%
Rural hospital 5644 9%
Vasopressor 17,381 28%