Table 1 HuCV infection detected in the stool samples of patients with diarrhea and healthy controls in Kunming, China (age stratified)

All age groups Cases = 1,121 Controls = 319

HuCV

123 (11.0)

11 (3.4)

<0.0001

3.5 (1.8–6.5)

NoV GII

118 (10.5)

10 (3.1)

<0.0001

3.6 (1.8–7.0)

NoV GI

2 (0.2)

1 (0.3)

0.528

SaV

3 (0.3)

0 (0.0)

0.472

GII.4

55 (4.9)

6 (1.9)

0.018

2.7 (1.1–6.3)

GII.3

28 (2.5)

0 (0.0)

0.001

GII.12

25 (2.2)

3 (0.9)

0.141

2.4 (0.7–8.0)

GII.17

8 (0.7)

0 (0.0)

0.134

GII.5

2 (0.2)

1 (0.3)

0.403

0.57 (0.05–6.3)

0–5 years Cases = 850 Controls = 170

HuCV

98 (11.5)

8 (4.7)

0.008

2.6 (1.3–5.5)

NoV GII

94 (11.1)

8 (5.5)

0.012

2.5 (1.2–5.3)

NoV GI

1 (0.1)

0 (0.0)

0.833

SaV

3 (0.4)

0 (0.0)

0.578

5–65 years Cases = 244 Controls = 137

HuCV

21 (8.6)

2 (1.5)

0.005

6.4 (1.5–27.5)

NoV GII

20 (8.2)

2 (1.5)

0.007

6.0 (1.4–26.2)

NoV GI

1 (0.4)

0 (0.0)

0.640

SaV

0 (0.0)

0 (0.0)

≥65 years Cases = 27 Controls = 12

HuCV

4 (14.8)

1 (8.3)

0.357

1.9 (0.2–19.2)

NoV GII

4 (14.8)

0 (0.0)

0.213

NoV GI

0 (0.0)

1 (8.3)

0.308

SaV

0 (0.0)

0 (0.0)