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Table 2 Anatomical sites of hospital-acquired infections from 2018 to 2020

From: Effect of the “Normalized Epidemic Prevention and Control Requirements” on hospital-acquired and community-acquired infections in China

Infection site 2018 2019 2020 χ2 P
Lower respiratory tract 39.22% 39.51% 39.70% 0.059 0.971
Urinary system 14.58% 14.83% 10.51% 12.681 0.002
Blood system 14.32% 11.28% 12.91% 5.083 0.079
Surgical site 13.13% 11.83% 14.84% 4.965 0.084
Abdomen and digestive system 7.33% 7.49% 9.62% 5.390 0.068
Upper respiratory tract 5.46% 4.89% 3.85% 3.698 0.165
Skin and soft tissue 3.58% 4.26% 2.81% 3.873 0.144
Eye/ear/nose/throat/mouth 0.94% 1.66% 2.49% 8.660 0.013
Genital tract 0.43% 0.08% 0.24% 0.807 0.369
Central nervous system 0 0.79% 0
Bone and joint 0 0.16% 0.16%
Cardiovascular system 0 0.08% 0
Other sites 1.02% 3.15% 2.89% 13.915 0.001
  1. Each percentage refers to the percentage of all HAIs during a single year
  2. Bold values mean P values are significant