Table 1 The demographic and epidemiological characteristics of diarrheal patients with fever in China, 2011–2020

Sex, n (%)

 < 0.001

 Male

85,129

16,466 (19.3, 19.1–19.6)

Reference

 Female

61,167

10,694 (17.5, 17.2–17.8)

0.88

Age, years, median (IQR)

6 (0.99, 39)

2 (0.93, 24)

< 0.001

 0–4, n (%)

71,120

17,233 (24.2, 23.9–24.6)

Reference

 5–17, n (%)

9454

2171 (23.0, 22.1–23.8)

0.93

 18–45, n (%)

34,997

4533 (13.0, 12.6–13.3)

0.47

 46–59, n (%)

14,164

1592 (11.2, 10.7–11.8)

0.40

 ≥ 60, n (%)

16,561

1631 (9.9, 9.4–10.3)

0.34

Regions, n (%)

< 0.001

 Northern

48,289

11,018 (22.8, 22.4–23.2)

Reference

 Southern

98,007

16,142 (16.5, 16.3–16.8)

0.67

Delay from disease onset to hospital admission, days, median (IQR)

2 (2, 4)

3 (2, 4)

< 0.001

Residence, n (%)

< 0.001

 Urban

111,845

18,832 (16.8, 16.6–17.1)

Reference

 Rural

27,260

7015 (25.7, 25.2–26.3)

1.71

Case type, n (%)

< 0.001

 Outpatients

138,250

26,365 (19.1, 18.9–19.3)

Reference

 Inpatients

8046

795 (9.9, 9.2–10.5)

0.47

Season, n (%)

< 0.001

 Spring

25,361

4232 (16.7, 16.2–17.2)

Reference

 Summer

43,405

8271 (19.1, 18.7–19.4)

1.18

 Autumn

46,213

8442 (18.3, 17.9–18.6)

1.11

 Winter

31,317

6215 (19.9, 19.4–20.3)

1.24