Table 6 Relation between CT features, severity score, and oxygen saturation
From: Clinical and radiological imaging as prognostic predictors in COVID-19 patients
CT features (No) | O2 saturation | P value | |
|---|---|---|---|
>90% | ≤ 90% | ||
Bilateralism | 0.007 | ||
Unilateral (46) | 43 (93.3) | 3 (6.5) | |
Bilateral (141) | 106 (75.2) | 35 (24.8) | |
Anteroposterior distribution | |||
Anterior | |||
Negative (70) | 67 (95.7) | 3 (4.3) | <0.001 |
Positive (116) | 81 (69.8) | 35 (30.2) | |
Posterior | |||
Negative (63) | 42 (66.7) | 21 (33.3 ) | 0.002 |
Positive (124) | 107 (86.3) | 17 (13.7) | |
Axial distribution | |||
Hilar | |||
Negative (96) | 90 (90.3) | 6 (6.2) | <0.001 |
Positive (91) | 59 (64.8) | 32 (35.2) | |
Centrilobular | |||
Negative (53) | 51 (96.2) | 2 (3.8) | <0.001 |
Positive (134) | 98 (73.1) | 36 (26.9) | |
Pleural based | |||
Negative (12) | 11 (91.6) | 1 (8.3) | 0.33 |
Positive (175) | 138 (78.9) | 37 (21.1) | |
Lobar distribution | |||
Lower lobe | |||
Negative (19) | 18 (94.7) | 1 (5.3) | 0.085 |
Positive (168) | 131 (78) | 37 (22) | |
Middle lobe | <0.001 | ||
Negative (75) | 71 (94.7) | 4 (5.3) | |
Positive (112) | 78 (69.6) | 34 (30.4) | |
Upper lobe | 0.004 | ||
Negative (43) | 41 (95.3) | 2 (4.7) | |
Positive (144) | 108 (75) | 36 (25) | |
Apex | <0.001 | ||
Negative (106) | 98 (92.4) | 8 (7.7) | |
Positive (81) | 52 (64.2) | 29 (35.8) | |
CT pattern | |||
GGO | |||
Negative (10) | 10 (100) | 0 | 0.2 |
Positive (177) | 139 (78.5) | 38 (21.5) | |
Consolidation | |||
Negative (82) | 71 (86.6) | 11 (13.4) | 0.038 |
Positive (105) | 78 (74.3) | 27 (25.7) | |
Crazy-paving | |||
Negative (121) | 106 (87.6) | 15 (12.4) | <0.001 |
Positive (66) | 43 (65.2) | 23 (34.8) | |