Skip to main content

Table 3 Selected characteristics according to normal and abnormal chest radiograph

From: Population-based cohort study of outpatients with pneumonia: rationale, design and baseline characteristics

Characteristic

Normal Chest Radiograph (N = 1503)

Abnormal Chest Radiograph (N = 1683)

p-value

 

Mean ± SD or No. (%)

 

Death within 30 days

8 (0.5 %)

27 (2 %)

0.004

Hospitalization within 30 days

108 (7 %)

141 (8 %)

0.21

ER revisit within 30 days

385 (26 %)

409 (24 %)

0.39

Age, yr.

52 ± 20

51 ± 20

0.04

Age, yr.

   

 <65

1049 (70 %)

1229 (73 %)

0.04

 ≥65

454 (30 %)

454 (27 %)

Male

801 (53 %)

893 (53 %)

0.90

Nursing Home

60 (4 %)

74 (4 %)

0.57

PSI continuous

54 ± 28

55 ± 30

0.14

PSI Risk Class

251 (17 %)

240 (14 %)

0.04

 Class I

862 (57 %)

996 (59 %)

 Class II

222 (14 %)

240 (14 %)

 Class III

153 (10 %)

171 (10 %)

 Class IV

15 (1 %)

36 (2 %)

 Class V

  

Comorbidities

 Diabetes

125 (8 %)

107 (6 %)

0.03

 Cardiovascular Disease

267 (18 %)

256 (15 %)

0.05

 Malignancy

67 (4 %)

101 (6 %)

0.05

 Chronic Kidney Disease

29 (2 %)

40 (2 %)

0.39

 COPD

125 (8 %)

135 (8 %)

0.76

Functional Status

  

0.30

 Independent Mobility

1433 (95 %)

1591 (95 %)

 Impaired Mobility

70 (5 %)

92 (5 %)

Influenza vaccination

35 (2 %)

48 (3 %)

0.35

Pneumococcal vaccination

32 (2 %)

47 (3 %)

0.23