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. Author manuscript; available in PMC: 2024 Dec 5.
Published in final edited form as: Spine J. 2019 Oct 31;20(3):409–416. doi: 10.1016/j.spinee.2019.10.017

Table 1.

Patient demographics

Age (years) 52.08±11.68
BMI (kg/m2) 27.31±4.03
Gender
 • Male 77 (63.6%)
 • Female 44 (36.4%)
Race
 • White or Caucasian 101 (3.5%)
 • Black or African American 3 (2.5%)
 • Asian 2 (1.7%)
 • Other 7 (5.8%)
 • Mixed 1 (0.8%)
 • Unavailable/patient declined 7 (5.8%)
Ethnicity
 • Hispanic or Latino 7 (5.8%)
 • Not Hispanic or Latino 109 (0.1%)
 • Unavailable/patient declined 5 (4.1%)
Insurance
 • Medicare 11 (9.1%)
 • Worker’s compensation 2 (1.7%)
 • Private 108 (89.3%)
Educational level
 • Less than high school 0 (0.0%)
 • High school 14 (11.6%)
 • Two year college 9 (7.4%)
 • Four year college 36 (29.8%)
 • Post-college 37 (30.6%)
 • Unavailable 25 (20.7%)
Type of occupation
 • Sedentary 26 (21.5%)
 • Light 34 (28.1%)
 • Medium 16 (13.2%)
 • Heavy 8 (6.6%)
 • Not employed/retired 12 (.9%)
 • Unavailable 25 (20.7%)
Smoking status
 • Current smoker 11 (9.1%)
 • Former smoker 29 (24.0%)
 • Never smoker 81 (66.9%)
Preoperative narcotic use 22 (18.2%)
Charlson comorbidity index (CCI) 1.25±1.42
American Society of Anesthesiologists (ASA) Class
 • 1 15 (12.4%)
 • 2 101 (3.5%)
 • 3 5 (4.1%)