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Table 1 Baseline and clinical characteristics of children hospitalized with community-acquired pneumonia diagnosed on clinical grounds

From: Differences upon admission and in hospital course of children hospitalized with community-acquired pneumonia with or without radiologically-confirmed pneumonia: a retrospective cohort study

Characteristics

Radiologically-confirmed pneumonia

 

Yes (n = 109)

Normal CXR (n = 143)

P

Noe (n = 174)

P

Gender malea

70 (64.2)

77 (53.8)

0.098

87 (50.0)

0.019

Age strataa, b

 2-11 months

28 (25.7)

63 (44.1)

0.003

73 (42.0)

0.005

 1-4 years

67 (61.5)

68 (47.6)

0.028

87 (50.0)

0.059

  ≥ 5 years

14 (12.8)

12 (8.4)

0.250

14 (8.0)

0.188

History of current illness

 fevera

100 (91.7)

112 (78.3)

0.004

140 (80.5)

0.010

 duration of feverc

n = 79

n = 80

 

n = 105

 

5 (3–7); 1-30

4(2–6); 1-20

0.093

4(2–7);1-20

0.299

 cougha

92 (84.4)

123 (86.0)

0.720

152 (87.4)

0.483

 duration of coughc

n = 59

n = 80

 

n = 93

 

7 (4–9); 1-45

4.5 (3–7); 1-31

0.022

5(3–7.5);1-31

0.053

 breathlessnessa

67 (61.5)

104 (72.7)

0.058

124 (71.3)

0.087

 duration of breathlessnessc

n = 46

n = 77

 

n = 93

 

2 (1–6); 1-30

3 (1–4.5); 1-30

0.894

3(1–5);1-30

0.504

Physical examination findings

 tachypnoeaa

68/85d (80.0)

79/106d (74.5)

0.372

98/131d (74.8)

0.377

 fevera

52/99d (52.5)

62/121d (51.2)

0.849

79/148d (53.4)

0.895

 cracklesa

42 (38.5)

86 (60.1)

0.001

100 (57.5)

0.002

 wheezinga

32 (29.4)

86 (60.1)

<0.001

99 (56.9)

<0.001

 chest retractiona

38 (34.9)

53 (37.1)

0.719

69 (39.7)

0.418

Severity according to WHOb

 non-severea

76 (69.7)

76 (53.1)

0.008

97 (55.7)

0.019

 severea

22 (20.2)

47 (32.9)

0.025

55 (31.6)

0.036

 very severea

11 (10.1)

20 (14.0)

0.351

22 (12.6)

0.515

 chest indrawinga

30 (27.5)

58 (40.6)

0.032

67 (38.5)

0.058

 nasal flaringa

7 (6.4)

17 (11.9)

0.143

19 (10.9)

0.202

 somnolencea

1 (0.9)

1 (0.7)

1.000

1 (0.6)

1.000

 seizurea

1 (0.9)

1 (0.7)

1.000

1 (0.6)

1.000

 cyanosisa

2 (1.8)

1 (0.7)

0.580

1 (0.6)

0.561

  1. CXR indicates chest radiograph
  2. WHO indicates World Health Organization
  3. aData are shown as n (%)
  4. bThe frequencies in each age stratum or in the severity groups according to WHO were compared as dichotomic variables
  5. cData are shown as median (IQR); minimum-maximum
  6. dDifferent denominators are due to missing data
  7. eIncludes normal CXR plus CXR with atelectasis or peribronchial thickening