Group

Chest X ray

Total

(n = 90)

X²

p-value

Normal

(n = 43)

Infiltration

(n = 35)

Consolidation

(n = 12)

Control

43 (100%)

0 (0%)

0 (0%)

n = 43

90

<0.001

Pneumonia

0 (0%)

35 (74.5%)

12 (25.5%)

n = 47