TABLE 1

Preoperative Characteristics of Adults Undergoing Bariatric Surgery

n = 1502a
Male344 (22.9)
Age, y, median (IQR)47 (38–55)
Race
 White1317 (88.2)
 African American123 (8.2)
 Other54 (3.6)
 Hispanic69 (4.6)
BMI, median (IQR)45.8 (41.7–51.3)
Diabetes474 (33.2)
Hypertension973 (66.9)
Ischemic heart disease90 (6.1)
Dyslipidemiab760 (63.3)
Hyperlipidemiab445 (36.9)
PCOS167 (15.2)
Obstructive sleep apnea832 (55.5)
Asthma388 (26.3)
Abnormal kidney function111 (7.7)
Microalbuminuria164 (12.2)
Urinary incontinence630 (44.4)
Venous edema93 (6.2)
Severe walking limitation99 (7.2)
Number of comorbidities (0–11)c
 042 (4.3)
 1112 (11.6)
 2190 (19.6)
 3194 (20.1)
 4195 (20.2)
 5127 (13.1)
 6+107 (11.1)
  • Frequency (%) reported unless otherwise indicated. IQR, interquartile range.

  • a Missing: race, n = 8; ethnicity, n = 1; diabetes, n = 74; n = 60; hypertension, n = 47; ischemic heart disease, n = 26; dyslipidemia, n = 302; hyperlipidemia, n = 295; PCOS (of 1158 women), obstructive sleep apnea, n = 2; asthma, n = 27; abnormal kidney function, n = 65; microalbuminuria, n = 159; urinary incontinence, n = 83; venous edema, n = 2; severe walking limitation, n = 123; number of comorbidities; n = 535.

  • b Hyperlipidemia was defined as all individuals taking a lipid-lowering medication or with a high level of LDL cholesterol (≥160 mg/dL). Dyslipidemia was defined as having either hyperlipidemia, a low level of high-density lipoprotein (<40 mg/dL), or high triglycerides (≥200 mg/dL).

  • c Includes all comorbidities listed above except PCOS, which applies only to women, and hyperlipidemia, which is a subset of dyslipidemia.