Table 1

Demographic and clinical characteristics

CharacteristicMean or n (%)SDQuartiles
Q1MedianQ3
Data set: 167,376 noncardiac procedures not constrained by having preoperative A1C and perioperative glucose measured or by procedure type
 Age (years)5318395567
 BMI296.6242832
 30-day postoperative mortality1,456 (0.9%)
 Female96,873 (58%)
Data set: 6,684 noncardiac procedures constrained by having preoperative A1C and perioperative glucose measured and being among 199 types considered
 Age (years)6015506271
 BMI327.7263036
 30-day postoperative mortality156 (2.3%)
 Female3,518 (53%)
 Average perioperative glucose (mg/dL)14942118142172
 No. of perioperative glucose measurements11112815
 A1C (%|mmol/mol)7.1|541.7|195.9|416.6|497.8|62
Data set: 12,199 cardiac procedures not constrained by having preoperative A1C and perioperative glucose measured or by procedure type
 Age6214546372
 BMI296.0252832
 30-day postoperative mortality273 (2.2%)
 Female4,557 (37%)
Data set: 6,393 cardiac procedures constrained by having preoperative A1C and perioperative glucose measured and being among 9 types considered
 Age6412566573
 BMI296.0252832
 30-day postoperative mortality116 (1.8%)
 Female2,257 (35%)
 Average perioperative glucose (mg/dL)14619134145156
 No. of perioperative glucose measurements3213243342
 A1C (%|mmol/mol)6.4|461.4|155.6|386.0|426.7|50
  • Summary statistics of demographic and clinical characteristics for the cardiac and noncardiac sets of surgeries not constrained and constrained by having both preoperative A1C and perioperative glucose measured and by being one of the procedure types considered.