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Table 1 Description of all cases and comparison according to RT-PCR result

From: COVID-19 pandemic: CT chest in COVID-19 infection and prediction of patient’s ICU needs

Variables Total (N = 466) Positive (N = 340) Negative (N = 126) P value
Mean age (years) 46.0 ± 14.8 38.2 ± 21.2 44.0 ± 17.1 ^< 0.001 *
Sex Male 295 (63.3%) 212 (62.4%) 83 (65.9%) # 0.484
Female 171 (36.7%) 128 (37.6%) 43 (34.1%)
CT probability High 240 (51.5%) 237 (69.7%) 3 (2.4%) # < 0.001*
Intermediate 52 (11.2%) 41 (12.1%) 11 (8.7%)
Low 64 (13.7%) 37 (10.9%) 27 (21.4%)
Negative 110 (23.6%) 25 (7.4%) 85 (67.5%)
GGO (ground-glass opacity) 306 (65.7%) 292 (85.9%) 14 (11.1%) # < 0.001*
GGO rounded 169 (55.2%) 162 (55.5%) 7 (50.0%) # 0.687
GGO linear 68 (22.2%) 65 (22.3%) 3 (21.4%) § 1.000
GGO patchy 52 (17.0%) 49 (16.8%) 3 (21.4%) § 0.714
GGO confluence 39 (12.7%) 39 (13.4%) 0 (0.0%) § 0.229
GGO diffuse 4 (1.3%) 3 (1.0%) 1 (7.1%) § 0.172
GGO laterality Unilateral 37 (12.1%) 35 (12.0%) 2 (14.3%) # 0.681
Bilateral 269 (87.9%) 257 (88.0%) 12 (85.7%)
GGO location Peripheral 275 (89.9%) 271 (92.8%) 4 (28.6%) # < 0.001*
Central 31 (10.1%) 21 (7.2%) 10 (71.4%)
GGO lobar affection Multilobar 285 (93.1%) 271 (92.8%) 14 (100.0) # 0.609
Unilobar 21 (6.9%) 21 (7.2%) 0 (0.0%)
Crazy paving 162 (34.8%) 154 (45.3%) 8 (6.3%) # < 0.001*
Vascular enlargement 104 (22.3%) 100 (29.4%) 4 (3.2%) # < 0.001*
Consolidation 128 (27.5%) 98 (28.8%) 30 (23.8%) # 0.281
Consolidation type Lobar 42 (32.8%) 25 (25.5%) 17 (56.7%) # 0.001 *
Segmental/subsegmental 86 (67.2%) 73 (74.5%) 13 (43.3%)
Consolidation > GG 77 (16.5%) 52 (15.3%) 25 (19.8%) # 0.240
Curvilinear opacity 94 (20.2%) 90 (26.5%) 4 (3.2%) # < 0.001*
Pleural effusion 62 (13.3%) 38 (11.2%) 24 (19.0%) # 0.026 *
Fibrosis 22 (4.7%) 17 (5.0%) 5 (4.0%) 0.641
LN (lymphadenopathy) 17 (3.6%) 11 (3.2%) 6 (4.8%) § 0.415
Nodules 23 (4.9%) 11 (3.2%) 12 (9.5%) # 0.005 *
Bronchiectasis 10 (2.1%) 8 (2.4%) 2 (1.6%) § 1.000
Cavitation 6 (1.3%) 1 (0.3%) 5 (4.0%) § 0.006 *
  1. ^Independent t test
  2. #Chi square test
  3. §Fisher’s exact test
  4. *Significant