Table 1 Demographic characteristics and Clinical symptoms, signs of HMPV infections

Demographics

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 Age, median (IQR), months

33.5 (12.0, 48.0)

36 (12.0, 53.0)

12 (7.5, 36.0)

0.005

 Male sex, No. (%)

58 (60.4)

42 (59.2)

16 (64.0)

0.670

 Urban, No. (%)

67 (69.8)

55 (77.5)

12 (48.0)

0.06

Symptoms on presentation

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 Fever, No. (%)

78 (81.3)

60 (84.5)

18 (72.0)

0.168

 Cough, No. (%)

89 (92.7)

66 (93.0)

23 (92.0)

0.874

 Wheezing, No. (%)

29 (30.2)

15 (21.1)

14 (56.0)

0.001

 Fever, cough, wheezing, No. (%)

17 (17.7)

9 (12.7)

8 (32.0)

0.063

 Fever, cough, No. (%)

55 (57.3)

47 (66.2)

8 (32.0)

0.003

 Fever, wheezing, No. (%)

2 (2.1)

2 (2.8)

0 (0.0)

1.000

 Cough, wheezing No. (%)

10 (10.4)

4 (5.6)

6 (24.0)

0.018

 Fever alone, No. (%)

4 (4.2)

2 (2.8)

2 (8.0)

0.277

 Cough alone, No. (%)

7 (7.3)

6 (8.5)

1 (4.0)

0.672

Vital signs at presentation

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 Temperature, median (IQR), No., °C

36.8 (36.5, 37.2), 96

36.8 (36.5, 37.1), 71

37.0 (36.7, 37.8), 25

0.133

 Temperature max, median (IQR), No., °C

39.0 (38.5, 39.5), 86

39.0 (38.5, 39.6), 65

38.8 (38.4, 39.5), 21

0.636

 Respiratory rate, median (IQR), No., breaths/min

28.0 (25.0, 32.0), 96

26.0 (25.0, 30.0), 71

35.0 (28.0, 44.5), 25

0.000003

 Heart rate, median (IQR), No., /min

117.0 (106.5, 130.0), 96

112.0 (105.0, 124.0), 71

130.0 (114.0, 163.5), 25

0.000191

 Weight, median (IQR), No., Kg

13.1 (10.4, 18.0), 94

14.0 (11.7, 18.0), 69

11.0 (8.8, 14.6), 25

0.002

 Birth weight, median (IQR), No., Kg

3.3 (3.0, 3.5) 93

3.3 (3.1, 3.4), 69

3.3 (3.0, 3.5), 24

0.975

 Duration from illness onset to hospitalization, median (IQR), days

5.0 (4.0, 9.0)

5.0 (4.0, 11.0)

4.0 (3.0, 7.5)

0.112

 Duration from hospitalization to diagnosis, median (IQR), days

2 (1.0, 2.0)

2 (1.0, 2.0)

2 (1.0, 2.0)

0.346

 Duration from diagnosis to hospital discharge, median (IQR), days

4 (2.0, 9.0)

4 (3.0, 5.0)

6 (4.5, 9.5)

0.000027

 Duration of hospitalization, median (IQR), days

6.0 (5.0, 8.0)

6.0 (5.0, 7.0)

8.0 (6.0, 13.5)

0.000321