Univariate analysis of physician and patient characteristics associated with CAP diagnosis classification level consistent with the CT scan interpretation by the radiologist
| Characteristics n (%) or mean (SD) | Total n=319 | Classification consistent with thoracic CT scan interpretation n=249 | Classification non-consistent with thoracic CT scan interpretation n=70 | Univariate analysis OR (95% CI) p value* |
| Physician characteristics | ||||
| Physician age (years) Mean (SD) (min; max) | 37.03 (8.65) (24; 60) | 37.87 (8.87) (24; 60) | 39.60 (10.03) (25; 60) | 1.02 (0.99 to 1.04) 0.163 |
| Physician gender Male n (%) Female n (%) | 144 (45.0) 175 (55.0) | 110 (44.2) 139 (55.8) | 34 (48.6) 36 (51.4) | 1.19 (0.70 to 2.03) 0.514 |
| Physician experience | ||||
| ≤10 years n (%) | 227 (71.2) | 184 (73.9) | 43 (61.4) | 1.77 (1.01 to 3.10) 0.043 |
| >10 years n (%) | 92 (28.8) | 65 (26.1) | 27 (38.6) | |
| Patient characteristics | ||||
| Patient age Mean (SD) (min; max) | 64.75 (20.02) (18; 100) | 64.50 (19.81) (18; 100) | 65.41 (20.88) (19; 96) | 1.00 (0.98 to 1.01) 0.736 |
| Chronic respiratory disease† | ||||
| Yes, n (%) | 89 (28.2) | 70 (28.5) | 19 (27.1) | 1.05 (0.58 to 1.91) 0.908 |
| No, n (%) | 229 (71.8) | 178 (71.5) | 51 (72.9) | |
| Previous antibiotic treatment | ||||
| Yes, n (%) | 111 (34.8) | 83 (33.3) | 28 (40.0) | 0.75 (0.43 to 1.29) 0.302 |
| No, n (%) | 208 (65.2) | 166 (66.7) | 42 (60.0) | |
| Classification before thoracic CT scan | ||||
| Excluded | 4 (1.3) | 4 (1.5) | 0 (0) | 0.96 (0.68 to 1.35) 0.832 |
| Possible | 53 (16.6) | 38 (15.3) | 15 (21.4) | |
| Probable | 118 (37.0) | 95 (38.2) | 23 (32.9) | |
| Definite | 144 (45.1) | 112 (45.0) | 32 (45.7) |
*P value from Wald test (logistic regression).
†(One missing data).
CAP, community-acquired pneumonia.