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Table 1 Distribution of COVID-19 and H1N1 patients according to predominant pathological/radiological pattern

From: COVID-19 versus H1N1: challenges in radiological diagnosis—comparative study on 130 patients using chest HRCT

Predominant pathological/radiological pattern:

COVID-19

H1N1

No

%

No

%

[A] Parenchymal or alveolar involvement only:

64

98.5%

56

86.2%

Mild

49 (76.6%)

75.4%

41 (73.2%)

63.1%

Severe

15 (23.4%)

(23.1%)

15 (26.8%)

(23.1%)

[B] Airway involvement only:

Not detected

6

9.2%

Mild

-

-

6 (100%)

9.2%

Severe

-

-

0

0%

[C] Mixed parenchymal and airway involvement:

1

1.5%

3

4.6%

Mild

1 (100%)

1.5%

3 (100%)

4.6%

Severe

-

-

-

-

Total

65

100%

65

100%