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Comparison of operation room infection control measures’ quality between the two groups [n (%)]
| Group | Number of cases | Operation room air quality | Surface quality | Personnel’s hands surface quality |
|---|---|---|---|---|
| Observation group | 382 | 368 (96.34) | 349 (91.36) | 364 (95.29) |
| Control group | 347 | 291 (83.86) | 262 (75.50) | 301 (86.74) |
| χ2 value | 32.592 | 33.700 | 31.878 | |
| P value | <0.001 | <0.001 | <0.001 |
