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Table 3 Comparison of demographic and clinical characteristics of patients hospitalized for HBoV1 single infection on the basis of viral loads

From: Single detection of human bocavirus 1 with a high viral load in severe respiratory tract infections in previously healthy children

  HBoV1 load <107group (N = 38) HBoV1 load ≥107group (N = 28) P value
Gender (Male) 22 (57.9) 15 (53.6) 0.727
Age (months) 11 (1–151) 9.5 (1–33) 0.846
Duration of symptoms before admission (days) 7 (1–90) 9.5 (1–30) 0.974
Duration of hospitalization (days) 7 (3–28) 7 (3–33) 0.642
Pulse rate (/min) 125 (85–168) 124 (50–180) 0.507
Respiratory rate (/min) 41 (25–58) 45 (28–67) 0.144
White blood cell (×109 cells/mL) 9.6 (4–23.2) 12.6 (6.4-23.3) 0.056
Fever 20 (52.6) 16 (57.1) 0.716
Cough 34 (89.5) 27 (96.4) 0.385
Dyspnea 9 (23.7) 12 (42.9) 0.036
Rhinorrhea 8 (21.1) 3 (10.7) 0.331
Diarrhea 12 (31.6) 9 (32.1) 0.961
Wheezing 12 (31.6) 17 (60.7) 0.018
Abnormality on chest radiographa 30 (100) 19 (95.0) 0.400
Severity 2 (5.3) 7 (25.0) 0.003
Upper respiratory tract infection 1 (2.6) 0 (0) 1.000
Lower respiratory tract infection
   Pneumonia 28 (73.7) 18 (64.3) 0.437
   Bronchiolitis 3 (7.9) 3 (10.7) 0.693
   Bronchitis 1 (2.6) 3 (10.7) 0.304
   Asthma 5 (13.2) 4 (14.3) 1.000
  1. NOTE: Data presented as median (range) or frequency (percentage) of patients. a.There were 30 patients who had a chest radiograph test in the HBoV1 load <107 group, and there were 20 patients in the HBoV1 load ≥107group. Categorical variables were compared using the Chi-square test, and the continuous variables were compared using Student’s t-test or the nonparametric Mann–Whitney U-test.