|
Infection type
|
Incidence (95% CI)
|
aIRR (95% CI) b
|
P-valuea
|
|---|
|
2013
|
2014
|
2015
|
2016
|
2017
|
|---|
|
All HAI
|
4.10 (3.97, 4.22)
|
3.41 (3.31, 3.52)
|
3.96 (3.85, 4.07)
|
3.78 (3.68, 3.89)
|
3.62 (3.52, 3.73)
|
0.99 (0.99–1.00)
|
0.15
|
|
RTI
|
1.86 (1.78, 1.94)
|
1.52 (1.46, 1.60)
|
1.70 (1.63, 1.77)
|
1.63 (1.56,1.70)
|
1.56 (1.49, 1.63)
|
0.98 (0.98–0.99)
|
0.04*
|
|
VAP
|
–
|
–
|
6.44 (5.47, 7.57)
|
7.09 (6.13, 8.21)
|
7.40 (6.38, 8.57)
|
1.00 (1.00–1.02)
|
0.11
|
|
Non-VAP
|
–
|
–
|
1.56 (1.50, 1.63)
|
1.50 (1.43, 1.56)
|
1.41 (1.35, 1.48)
|
0.99 (0.98–0.99)
|
0.02*
|
|
BSI
|
0.53 (0.49, 0.58)
|
0.54 (0.50, 0.58)
|
0.62 (0.58, 0.66)
|
0.62 (0.58, 0.66)
|
0.65 (0.61, 0.70)
|
1.01 (1.01–1.02)
|
< 0.001*
|
|
CLABSI
|
–
|
–
|
0.33 (0.27, 0.41)
|
0.37 (0.30, 0.44)
|
0.31 (0.25, 0.39)
|
1.00 (0.98–1.00)
|
0.81
|
|
Non-CLABSI
|
–
|
–
|
0.53 (0.50, 0.57)
|
0.54 (0.50, 0.58)
|
0.58 (0.55, 0.63)
|
1.00 (0.99–1.01)
|
0.15
|
|
UTI
|
0.53 (0.49, 0.58)
|
0.42 (0.39, 0.46)
|
0.53 (0.49, 0.57)
|
0.53 (0.50, 0.58)
|
0.43 (0.40, 0.47)
|
1.00 (1.00–1.01)
|
0.65
|
|
CAUTI
|
–
|
–
|
2.65 (2.38, 2.94)
|
2.94 (2.66, 3.24)
|
2.53 (2.27, 2.82)
|
0.99 (0.99–1.00)
|
0.43
|
|
Non-CAUTI
|
–
|
–
|
0.23 (0.21, 0.26)
|
0.23 (0.20, 0.26)
|
0.17 (0.15, 0.20)
|
0.98 (0.97–0.99)
|
< 0.001*
|
|
SSI
|
0.53 (0.46, 0.61)
|
0.66 (0.58, 0.74)
|
1.23 (1.18, 1.40)
|
1.12 (1.02, 1.22)
|
1.13 (1.03,1.23)
|
1.02 (1.01–1.02)
|
< 0.001*
|
|
GI
|
0.31 (0.28, 0.35)
|
0.24 (0.21, 0.27)
|
0.29 (0.26, 0.31)
|
0.29 (0.26, 0.32)
|
0.27 (0.24, 0.30)
|
1.00 (0.99–1.00)
|
0.54
|
- Note. Adjusted by sex and age with data of 2017. aThe change of time trends was tested by negative binomial regression. baIRR = annual incidence rate ratio in 2017. RTI respiratory tract infection, VAP ventilator-associated pneumonia, BSI bloodstream infection, CLABSI central line-associated bloodstream infection, UTI urinary tract infection, CAUTI catheter-associated urinary tract infection, SSI surgical site infection, GI gastrointestinal infection. CI confidence interval. The data (−) were not available
