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. Author manuscript; available in PMC: 2024 May 6.
Published in final edited form as: JAMA Netw Open. 2020 Mar 2;3(3):e201934. doi: 10.1001/jamanetworkopen.2020.1934

Table 1:

Baseline Patient and Procedural Demographics Stratified by Treatment and Transmission

Baseline Patient and Procedural Demographics (N=236 patients enrolled) Treatment Control
Treatment assignment N (%) 106 (44.92) 130 (55.08)
Age > 50 N (%) 88 (83.02) 81 (62.31)
Female N (%) 43 (40.57) 113 (86.92)
ASA > 2 N (%) 62 (58.49) 44 (33.85)
Dirty or Infected Site N (%) 3 (2.83) 6 (4.62)
Duration > 2 Hours N (%) 97 (91.51) 119 (91.54)
Plastic surgery N (%) 1 (0.94) 27 (20.77)
Orthopedic surgery N (%) 27 (25.47) 20 (15.38)
General abdominal surgery N (%) 5 (4.72) 6 (4.62)
Preoperative decolonization strategy
 Nasal mupirocin and chlorhexidine for 5 days N (%) 27 (25.47) 20 (15.38)
 Chlorhexidine for day before and morning of surgery N (%) 55 (51.89) 80 (61.54)
 No protocol N (%) 24 (22.64) 30 (23.08)
Discharge location
 Same day 27 (25.47) 54 (41.54)
 Floor 69 (65.09) 73 (56.15)
 Intensive care unit 10 (9.43) 3 (2.31)
Baseline Patient and Procedural Demographics by S. aureus Transmission N (%), Total N=236 (106 treatment, 130 control) Yes No P-Value
S. aureus Transmission N (%) 73 (30.93) 163 (69.07)
 Age > 50 N (%) 48 (65.75) 121 (74.23) 0.21
 Female N (%) 53 (72.60) 103 (63.19) 0.18
 ASA > 2 N (%) 27 (36.99) 79 (48.47) 0.12
 Dirty or Infected Site N (%) 5 (6.85) 4 (2.45) 0.14
 Duration > 2 Hours N (%) 68 (93.15) 148 (90.80) 0.62
 Plastic surgery N (%) 11 (15.07) 17 (10.43) 0.38
 Orthopedic surgery N (%) 12 (16.44) 35 (21.47) 0.39
 General abdominal surgery N (%) 4 (5.48) 7 (4.29) 0.74
 Preoperative decolonization strategy
  Nasal mupirocin and chlorhexidine for 5 days N (%) 12 (16.44) 35 (21.47) 0.39
  Chlorhexidine for day before and morning of surgery N (%) 45 (61.64) 90 (55.21) 0.39
  No protocol N (%) 16 (21.92) 38 (23.31) 0.87
 Discharge location
  Same day 25 (34.25) 56 (34.36) 1.0
  Floor 43 (58.90) 99 (60.74) 0.89
  Intensive care unit 5 (6.85) 8 (4.91) 0.76

ASA=American Society of Anesthesiologists (ASA) heath classification status.