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Volume 27, Number 1—January 2021
Research

Hospitalization for Invasive Pneumococcal Diseases in Young Children before Use of 13-Valent Pneumococcal Conjugate Vaccine, Suzhou, China

Kaile Chen, Xiyan Zhang, Yunzhen Tao, Yunzhong Wang, Jian Xue, Changpeng Liu, Shuang Feng, Yongdong Yan, Qinghui Chen, Jianmei Tian, Genming Zhao, Xuejun ShaoComments to Author , and Tao ZhangComments to Author 
Author affiliations: Fudan University, Shanghai, China (K. Chen, X. Zhang, C. Liu, S. Feng, G. Zhao, T. Zhang); Key Laboratory of Public Health Safety, Ministry of Education, Shanghai (K. Chen, X. Zhang, C. Liu, S. Feng, G. Zhao, T. Zhang); Soochow University Affiliated Children’s Hospital, Suzhou, China (Y. Tao, Y. Wang, J. Xue, Y. Yan, Q. Chen, J. Tian, X. Shao)

Main Article

Table 2

Estimated invasive pneumococcal diseases hospitalization incidence among children <5 years of age, Suzhou, China, 2010–2017*

Year Children <1 y of age
 Children 1–<2 y of age
 Children 2–<5 y of age
IPD cases at SCH Pop.† HI‡ (95% CI) IPD cases at SCH Pop.† HI‡ (95% CI) IPD cases at SCH Pop.† HI‡ (95% CI)
2010 5 21,510 34.33
(14.67–80.35) 1 19,433 7.60
(1.34–43.02) 4 49,813 11.86
(4.61–30.51)
2011 4 22,731 25.99
(10.11–66.81) 4 20,136 29.34
(11.41–75.43) 3 50,527 8.77
(2.98–25.79)
2012 4 26,452 22.35
(8.69–57.46) 1 25,483 5.80
(1.02–32.83) 5 70,423 10.49
(4.48–25.54)
2013 5 23,893 30.91
(13.20–72.35) 4 31,228 18.92
(7.36–48.65) 4 76,041 7.77
(3.02–19.98)
2014 4 29,110 20.30
(7.89–52.18) 4 28,006 21.10
(8.21–54.26) 9 87,752 15.15
(7.97–28.79)
2015 5 22,745 32.48
(13.87–76.02) 1 34,119 4.33
(0.76–24.53) 12 92,038 19.26
(11.02–33.66)
2016 2 32,360 9.13
(2.5–33.28) 1 27,768 5.32
(0.94–30.13) 6 102,818 8.62
(3.95–18.80)
2017
 2
 31,415
 9.40
(2.58–34.28)
1
 38,255
 3.86
(0.68–21.88)
14
 102,006
 20.27
(12.07–34.02)
Total 31 210,216 21.78
(15.34–30.91) 17 224,428 11.19
(6.99–17.92) 57 631,418 13.33
(10.29–17.27)

*Incidence is cases/100,000 children. HI, hospitalization incidence; IPD, invasive pneumococcal disease; pop., population; SCH, Suzhou University Affiliated Children Hospital.
†Population <5 years of age in Suzhou (5 municipal districts). 
‡Hi calculated by dividing no. IPD cases at SCH by 67.7% of population <5 years of age in Suzhou.

Main Article

Page created: October 27, 2020
Page updated: December 21, 2020
Page reviewed: December 21, 2020
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