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Table 2 Clinical characteristics of HBoV-positive and HBoV-negative patients

From: Epidemiologic and clinical characteristics of human bocavirus infection in infants and young children suffering with community acquired pneumonia in Ningxia, China

Variable

HBoV-positive (n = 88)

HBoV-negative (n = 790)

X2/Z

P

Gender

  

1.796

0.180

 Male

57 (64.8%)

453 (57.3%)

  

 Female

31 (35.2%)

337 (42.7%)

  

Age

  

6.059

0.048*

 < 2

56 (63.6%)

406 (51.4%)

  

 2–5

26 (29.5%)

271 (34.3%)

  

 5

6 (6.8%)

113 (14.3%)

  

Clinical features

    

 Cough

85 (96.6%)

759 (96.1%)

0.056

1.000

 Wheezing

25 (28.4%)

140 (17.7%)

5.926

0.015*

 Tachypnea

15 (17.0%)

71 (9.0%)

5.819

0.016*

 Pharyngeal hyperaemia

65 (73.9%)

613 (77.6%)

0.627

0.429

 Rales

30 (34.1%)

214 (27.1%)

1.935

0.164

 Fever

58 (65.9%)

506 (64.1%)

0.119

0.730

 WBC, 109/L

9.2 (6.9, 11.5)

8.5 (6.8, 10.8)

− 1.302

0.193

 HGB, g/L

128.0 (116.0, 137.0)

127.0 (118.0, 137.0)

− 0.012

0.990

 LDH, U/L

306.5 (271.8, 344.3)

291.0 (254.5, 335.0)

− 2.231

0.026*

 AST, U/L

34.6 (28.0, 39.0)

32.2 (25.6, 39.1)

− 1.384

0.178

 ALT, U/L

13.9 (9.9, 20.1)

14.1 (10.1, 21.9)

− 0.558

0.577

Hospitalization days

7.0 (5.0, 8.8)

6.0 (5.0, 8.0)

− 0.770

0.441

Severe pneumonia

10 (11.4%)

39 (4.9%)

6.207

0.023*

  1. Measurement data were expressed as median (IQR), and data were compared by rank sum test; Categorical variables were expressed as number and percentage, proportion were compared by chi-squared
  2. Fever: T  37.5℃ (axillary temperature)
  3. Reference levels: WBC (4.4–11.9)109/L, HGB (112–149) g/L, LDH (120–250) U/L, AST (13–35) U/L, ALT (7–40) U/L
  4. *Age, Wheezing, Tachypnea, LDH and Severe pneumonia were statistically significant between the two groups (P < 0.05)