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Table 1 The APC and CI for incidence of seven RIDs in the mainland of China during 2017–2021

From: Epidemiological characteristics of seven notifiable respiratory infectious diseases in the mainland of China: an analysis of national surveillance data from 2017 to 2021

RIDs

All reported cases

Clinically diagnosed cases

Laboratory-confirmed cases

Joinpoint Year Range

APC (95% CI)

P

Joinpoint Year Range

APC (95% CI)

P

Joinpoint Year Range

APC (95% CI)

P

Seven RIDs

2017–2021

−1.42 (−39.14 to 57.09)

0.96

2017–2021

−6.15 (−45.43 to 53.48)

0.84

2017–2021

12.15 (−18.67 to 59.49)

0.56

Seasonal Influenza

2017–2021

−0.72 (−54.07 to 130.48)

0.99

2017–2021

−1.20 (−61.99 to 152.95)

0.98

2017–2021

13.15 (−26.98 to 90.42)

0.72

PTB

2017–2021

−7.53 (−12.31 to −2.79)

0.009

2017–2021

−18.37 (−26.83 to −10.76)

0.002

2017–2021

8.10 (−0.46 to 17.94)

0.06

Mumps

2017–2021

−17.02 (−36.50 to 3.32)

0.19

2017–2021

−17.30 (−37.36 to 3.71)

0.19

2017–2021

−0.42 (−17.65 to 19.85)

0.96

Scarlet fever

2017–2021

−22.15 (−53.11 to 11.09)

0.21

2017–2021

−22.05 (−53.59 to 12.28)

0.22

2017–2021

−24.19 (−45.40 to −5.15)

0.02

Pertussis

2017–2021

−10.31 (−66.13 to 90.68)

0.72

2017–2021

−11.68 (−63.15 to 77.21)

0.70

2017–2021

−7.13 (−60.92 to 83.31)

0.78

Rubella

2017–2021

29.35 (−74.18 to 540.89)

0.81

2017–2021

7.71 (−75.11 to 362.20)

0.94

2017–2021

37.09 (−76.49 to 787.58)

0.77

Measles

2017–2021

−40.87 (−61.18 to −24.32)

0.02

2017–2021

−60.24 (−86.61 to −44.67)

0.02

2017–2021

−38.78 (−58.00 to −22.20)

0.03

  1. APC annual percentage changes; CI confidence interval; RIDs respiratory infectious diseases; PTB pulmonary tuberculosis. Notes: The unit of APC is %