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Results of bacterial contamination after gastroscope reprocessing in both groups
| Enzymatic detergent (n = 130) | Chlorhexidine (n = 130) | P | |
| Type of endoscope (Olympus:Pentax) | 60:70 | 60:70 | |
| Positive culture (> 200 cfu/mL) | 6 (4.6%) | 4 (3.1%) | 0.747a |
| Single organism | 5 (3.8%) | 1 (0.8%) | 0.213b |
| Mixed organism | 1 (0.8%) | 3 (2.3%) | 0.622b |
| Pseudomonas aeruginosa | 4 (3.1%) | 5 (3.8%) | 1.000b |
| Non Pseudomonas spp. | 3 (2.3%) | 3 (2.3%) | 1.000b |
a: chi square test; b: Fisher’s exact test.
