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Table 1 Baseline characteristics of patients undergoing a non-emergency cardiac or abdominal surgery (n = 239 patients)

From: Are three antiseptic paints needed for safe preparation of the surgical field? A prospective cohort study with 239 patients

Characteristics Overall No. patients with missing dataa
Age in years,b median (IQR) 65.0 (56.5─72.5) 0
Female, n (%) 75 (31.4) 0
BMI in kg/m2,b median (IQR) 26.8 (23.8─30.1) 0
Diabetes mellitus,c n (%) 48 (20.1) 0
Antimicrobial treatment prior to surgery,d n (%) 15 (6.3) 0
Adequate antimicrobial prophylaxis,e n (%) 231 (96.7) 0
Type of surgery, n (%)   0
 Cardiac surgery 135 (56.5)
 Abdominal surgery 104 (43.5)
Antiseptic product,f n (%)   0
 Chlorhexidine 94 (39.3)
 Povidone iodine 145 (60.7)
Overall exposure time of antisepticsg in minutes, median (IQR) 7.6 (6.5─9.0) 4
  1. BMI body mass index, IQR interquartile range
  2. aFor each row/variable
  3. bAt day of surgery
  4. cPrevious diagnosis of diabetes mellitus type 2 according to medical records
  5. dAny antimicrobial treatment within the last 2 weeks prior to surgery and excluding peri-interventional antimicrobial prophylaxis
  6. eAntimicrobial prophylaxis administered within 120 min prior to incision
  7. fThe formulations in use for preoperative skin antisepsis were chlorhexidine in alcohol and povidone iodine in alcohol
  8. gTime period from start of skin antisepsis until the applied antiseptic has dried out after paint 3