Table 1 Radiology findings and interpretation of cases and controls

Increased interstitial markings

33 (47.8)

50 (18.5)

0.0001

2.9 (1.6–5.1)

Pleural Effusion

13 (18.8)

72 (26.7)

0.18

–

Airspace Disease

12 (17.4)

70 (25.9)

0.14

–

Atelectasis

10 (14.3)

44 (16.3)

0.68

–

Consolidation

8 (11.6)

43 (15.9)

0.37

–

Ground glass infiltrate

8 (11.6)

12 (4.4)

0.02

–

Reticulo-nodular opacities

7 (10.1)

30 (11.1)

0.82

–

Pulmonary edema

6 (8.7)

37 (13.7)

0.26

–

Normal

1 (1.4)

14 (5.2)

0.18

–

Radiologist PCP Possible/Likely

12 (17.4)

12 (4.4)

0.0001

4.5 (1.8–10.9)

CT Finding (%)

Cases (N = 64)

Controls (N = 231)

P-Value

Odds Ratio

(95% CI)

Ground glass opacity

61 (95.3)

154 (66.7)

0.0001

3.3 (1.2–9.1)

Interstitial markings

30 (46.9)

39 (16.8)

0.0001

4.3 (2.2–8.2)

Adenopathy

30 (46.9)

91 (39.2)

0.27

–

Septal thickening

21 (32.8)

69 (29.7)

0.64

–

Consolidation

17 (26.6)

65 (28)

0.82

–

Pleural Effusion

16 (25)

97 (41.8)

0.01

–

Nodular findings

15 (23.4)

104 (45)

0.0001

–

Emphysema/bullae

12 (18.8)

31 (13.4)

0.28

–

Linear-reticular opacities

5 (7.8)

1 (0.4)

0.0001

–

Cavitary lesion

5 (7.8)

7 (3)

0.09

–

Cystic changes

3 (4.7)

8 (3.4)

0.64

–

Mass lesion

1 (1.6)

3 (1.3)

0.87

–

Pulmonary embolism

1 (1.6)

3 (1.3)

0.87

–

Airspace disease

0 (0)

17 (7.3)

0.03

–

Pneumomediastinum

0 (0)

5 (2.2)

0.24

–

Crazy paving

0 (0)

7 (3)

0.16

–

Small airway thickening

0 (0)

5 (2.2)

0.24

–

Pneumothorax

0 (0)

2 (0.9)

0.46

–

Honeycombing

0 (0)

1 (0.4)

0.6

–

Radiologist - PCP Possible

21 (32.8)

50 (21.6)

0.06

2.0 (1.0–4.1)

Radiologist - PCP Likely

16 (25)

8 (3.4)

0.0001

9.3 (3.4–25.3)