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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