Table 1

National Surgical Quality Improvement Program (NSQIP) calculator factors for patients in the adult spinal deformity (ASD) cohort.

NSQIP Factor% Cohort
(N = 9143)
Age, years, mean58.94
Females56%
Functional status
Independent94.9%
Partially dependent4.4%
Totally dependent0.7%
Emergency cases1.6%
Wound class
Clean94.7%
Clean/contaminated0.8%
Contaminated0.5%
Dirty/infected1.4%
ASA class
I2.7%
II40.7%
III52.0%
IV4.6%
V0%
None assigned0%
Steroid use for chronic condition5.1%
Ascites within 30 d before surgery<0.1%
Systemic sepsis within 48 h of surgery1.7%
Ventilator dependent0.4%
Disseminated cancer3.2%
Diabetes15.6%
Use of hypertensive medications52.8%
CHF within 30 d before surgery0.3%
Dyspnea3.0%
History of smoking within 1 y21.4%
Severe COPD4.3%
Dialysis0.7%
Acute renal failure0.1%
  • ASA, American Society of Anesthesiologists; ASD, adult spinal deformity; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; NSQIP, National Surgical Quality Improvement Program.