Table 2 The characteristics of children with and without HRSV

Sex^a

P = 0.070

 Male (%)

73 (22.1)

258 (77.9)

 Female (%)

33 (15.7)

177 (84.3)

Age, months, median (IQR) ^b

5.2(1.07–41)

18(0.03–167)

P < 0.001

 < 6 ^b

2.47(1.07-.587)

3.42(0.03–5.97)

P = 0.283

 6–12 ^b

9.84(6.3–12)

9.17(6.1–12)

P = 0.628

 12.1–36 ^b

17(12.07–35)

18(12.2–36)

P = 0.090

 > 36 ^b

41(41–41)

70(36.33–167)

P = 0.265

Clinical characteristics

 Fever, (%)T ≥ 37 .5 °C ^a

33(31.1)

167(38.4)

P = 0.165

 Cough, No. (%)^a

104(97.1)

409(94.0)

P = 0.088

 Wheezing, No. (%)^a

68(64.2)

163(37.5)

P < 0.001

 Rales, No. (%)^a

63(59.4)

188(43.2)

P = 0.003

 Respiratory rate, breaths/minute, No. (%)^a

67(63.2)

309(71.0)

P = 0.117

 Heart rate/minute, No. (%)^a

78(73.6)

350(80.5)

P = 0.118

 SpO₂, No. (%)^a

32/102(31.4)

157/427(36.8)

P = 0.307

Final diagnosis

 Bronchopneumonia, No. (%)^a

90(84.9)

270(62.1)

P < 0.001

 Pneumonia, No. (%)^a

14(13.2)

105(24.2)

P = 0.015

 Pertussis syndrome, No. (%)^a

0(0)

5(1.1)

P = 0.589

 Upper respiratory-tract infection, No. (%)^a

0(0)

5(1.1)

P = 0.589

 Others, No. (%)^a

2(1.9)

50(11.5)

P = 0.003

Hospitalization duration (days) (median, IQR) ^b

6(1–15)

6(1–67)

P = 0.985