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Table 2 Distribution and frequency of the CT pulmonary abnormalities at different phases

From: Chest CT in COVID-19 pneumonia: a correlation of lung abnormalities with duration and severity of symptoms

 

Early phase (0–2 days; n = 60)

Intermediate phase (3–7 days; n = 116)

Late phase (8–14 days; n = 36)

No CT findings

32 (15.1%)

4 (1.9%)

–

Positive CT findings

28 (13.2%)

112 (52.8%)

36 (17%)

GGO only

24 (11.3%)

9 (4.2%)

–

Consolidation only

–

12 (5.7%)

–

Both

4 (1.9%)

57 (26.9%)

36 (17%)

Crazy paving

–

32 (15.1%)

24 (11.3%)

Reversed halo

–

16 (%)

20 (9.4%)

Linear consolidation

–

–

28 (13.2%)

Pleural effusion

–

4 (1.9%)

–

Peripheral distribution

23 (10.8%)

24 (11.3%)

4 (1.9%)

Central distribution

–

–

–

Diffuse distribution

5 (2.3%)

88 (41.5%)

32 (15.1%)

Unilateral lung affection

4 (1.9%)

–

–

bilateral lung affection

24 (11.3%)

112 (52.8%)

36 (17%)

One lobe of affection

4 (1.9%)

–

–

Two lobes of affection

7 (3.3%)

–

–

Three lobes of affection

13 (6.1%)

28 (13.2%)

–

Four lobes of affection

4 (1.9%)

48 (22.6%)

13 (6.1%)

Five lobes of affection

–

35 (16.5%)

24 (11.3%)

Total lung severity score

mean ± SD

2.13 ± 2.574

16.08 ± 3.141

17.83 ± 3.229

  1. Data are numbers of patients (percentages of the total number, 212). GGO ground-glass opacity