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. 2021 Apr 30;51(2):411–420. doi: 10.3906/sag-2006-173

Table 3.

Diagnostic test results of the probable/confirmed COVID patients.

Total casesn: 174 Mild diseasen: 35 Moderate diseasen: 107 Severe diseasen: 32 P-value
Positive PCR, n (%)
Negative PCR, n (%)
113 (64.9)
61 (35.1)
23
12
72
35
18
14
0.514
Positive antibody test, n
Negative antibody test, n
7
18
0
2
5
11
2
5
0.010
Chest X-ray, n (%)
Normal
Abnormal
Not performed

62 (35.6)
80 (46)
32 (18.4)

21
7
7

34
52
21

7
21
4
<0.001
Chest CT, n (%)
Normal, no infiltration
Typical infiltration
Indeterminate infiltration
CT not performed

41 (23.5)
80 (46.1)
50 (28.7)
3 (1.7)

35
0
0
0

3
62
40
2

3
18
10
1
<0.001
Diagnosis, n(%)
Confirmed
Probable
Radiologically diagnosed
Clinically suspected

120 (69)
54 (31)
41 (23.6)
13 (7.4)

28
12
0
12

71
31
31
0

21
11
10
1
<0.001

CT: Computerized tomography.