Table 3 Clinical characteristics (symptoms and signs)

Number of patients

13

42

----

Symptoms, number (%)

   Fever

8 (61.5)

10 (23.8)

0.028^a

   Body temperature >38.5°C

6 (46.2)

5 (11.9)

0.021^a

   Cough

10 (76.9)

36 (85.7)

0.749

   Wheeze

11 (84.6)

36 (85.7)

1.000

Wheeze with exertion

0 (0)

15 (35.7)

0.030^a

Wheeze without exertion

11 (84.6)

21 (50)

0.027^a

   Sputum production

10 (76.9)

37 (88.1)

0.583

   Phlegm

3 (23.1)

5 (11.9)

0.583

   Hemoptysis

2 (15.4)

1 (2.4)

0.136

   Chest pain

2 (15.4)

2 (4.8)

0.234

Signs at ICU admission

   Body temperature, °C, mean (SD)

36.6 (0.5)

36.7 (0.6)

0.876

   Heart rate, beats per minute, mean (SD)

106.5 (23.9)

95.2 (21.2)

0.108

   Respiratory rate, breaths per minute, mean (SD)

28.3 (8.5)

24.3 (11.4)

0.243

   Mean arterial pressure, mean (SD)

77.9 (14.2)

90.5 (17.0)

0.019^a

   Rales, number (%)

Dry rales

11 (84.6)

17 (40.4)

0.005^a

Moist rales

9 (69.2)

30 (71.4)

1.000