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Table 2 Subgroup analyses: CHX vs. control

From: Effectiveness of chlorhexidine in preventing infections among patients undergoing cardiac surgeries: a meta-analysis and systematic review

  N OR (95% CI) P I2 (%) Pheterogeneity
Nosocomial infection 4 0.549 (0.438, 0.687)  < 0.001 0 0.520
Pneumonia 6 0.260 (0.110, 0.611) 0.002 76.6 0.001
Oral rinse 5 0.259 (0.104, 0.643) 0.004 81.2  < 0.001
Disinfection of surgical-related appliances 1 0.257 (0.010, 6.404) 0.407   
Surgical site infection 8 0.757 (0.549, 1.045) 0.090 63.5 0.008
Oral rinse 1 0.881 (0.582,1.333) 0.549   
Skin antiseptic 5 0.824 (0.612, 1.109) 0.201 51.4 0.084
Disinfection of surgical-related appliances 2 0.161 (0.006, 4.395) 0.279 86.9 0.006
Superficial infection 3 0.422 (0.255, 0.696) 0.001 19.4 0.289
Deep infection 3 0.792 (0.397, 1.580) 0.509 51.7 0.126
Bloodstream infection 4 0.362 (0.164, 0.798) 0.012 16.3 0.310
Oral rinse 1 0.256 (0.028, 2.312) 0.225   
Disinfection of surgical-related appliances 3 0.411 (0.138, 1.222) 0.110 43.1 0.173
Urinary tract infection 4 0.795 (0.459, 1.379) 0.415 18.1 0.300
Oral rinse 3 0.746 (0.386, 1.442) 0.384 40.6 0.186
Disinfection of surgical-related appliances 1 1.575 (0.140, 17.766) 0.713