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. 2017 Oct 11;153(2):160–168. doi: 10.1001/jamasurg.2017.4007

Table 2. Data on 140 828 Patients Stratified by NSQIP mFI Score and Unadjusted Frequency of 30-Day Complications After Ambulatory Hernia, Breast, Thyroid, or Parathyroid Surgery in 2007-2010 ACS NSQIP PUF.

NSQIP mFI Scorea Patients, No. (%)
Total Complication
Any Seriousb
0 73 033 (51.9) 992 (1.4) 349 (0.5)
0.09 45 798 (32.5) 836 (1.8) 322 (0.7)
0.18 17 063 (12.1) 437 (2.6) 201 (1.2)
0.27 3973 (2.8) 136 (3.4) 70 (1.8)
0.36 803 (0.6) 45 (5.6) 23 (2.9)
≥0.45 156 (0.1) 11 (7.1) 6 (3.9)

Abbreviations: ACS, American College of Surgeons; NSQIP mFI, National Surgical Quality Improvement Program modified Frailty Index; PUF, Participant Use File.

a

See the Covariates subsection in the Methods section for definition of these scores.

b

Excludes superficial surgical site infection and urinary tract infection.