Table 6 Evaluation of indication of computed tomography scan based on American College of Radiology (ACR) criteria. (N = 202)
Variable | ACR Criteria | P-value | |
|---|---|---|---|
Indicated; n = 134 | Not-indicated; n = 68 | ||
Age (years); mean ± SD | 56.4 ± 19.1 | 57.8 ± 20.4 | 0.617 |
Gender; n (%) | |||
Male | 70 (68.6) | 32 (31.4) | 0.487 |
Female | 64 (64.0) | 36 (36.0) | |
Marital Status; n (%) | |||
Single | 29 (72.5) | 11 (27.5) | 0.357 |
Married | 105 (64.8) | 57 (35.2) | |
Educational level; n (%) | |||
Under-diploma | 57 (63.3) | 33 (36.7) | 0.312 |
Diploma | 43 (69.4) | 19 (30.6) | |
Bachelor's degree | 28 (63.6) | 16 (36.4) | |
Master's degree | 6 (100) | 0 (0) | |
Social History; n (%) | |||
Negative | 63 (61.2) | 40 (38.8) | 0.201 |
Smoker | 63 (73.3) | 23 (26.7) | |
Baker | 8 (61.5) | 5 (38.5) | |
Admission ward; n (%) | |||
Emergency | 78 (67.8) | 37 (32.2) | 0.653 |
Non-Emergency | 58 (64.4) | 31 (35.6) | |
Chief complaints; n (%) | |||
Dyspnea | 57 (71.3) | 23 (28.7) | 0.001 |
Cough and dyspnea | 33 (62.3) | 20 (37.7) | |
Hemoptysis | 17 (81.0) | 4 (19.0) | |
Generalized weakness | 15 (93.8) | 1 (6.3) | |
Loss of consciousness | 5 (33.3) | 10 (66.7) | |
Fever | 5 (55.6) | 4 (44.4) | |
Others | 2 (25.0) | 6 (75.0) | |
Comorbidity; n (%) | |||
Hypertension | 35 (64.8) | 19 (35.2) | 0.782 |
Diabetes Mellitus | 26 (60.5) | 17 (39.5) | 0.358 |
Obstructive lung disease | 18 (66.7) | 9 (33.3) | 0.969 |
Malignancy | 17 (68.0) | 8 (32.0) | 1.000 |
Ischemic heart disease | 15 (57.7) | 11 (42.3) | 0.308 |
Restrictive Lung disease | 2 (66.7) | 1 (33.3) | 1.000 |
Vital Signs on admission; mean ± SD | |||
Systolic blood Pressure | 119.7 ± 17.9 | 119.9 ± 23.2 | 0.963 |
Diastolic blood Pressure | 75.9 ± 8.9 | 75.7 ± 12.2 | 0.913 |
Pulse rate | 96.8 ± 13.9 | 95.6 ± 15.9 | 0.610 |
Respiratory rate | 19.1 ± 3.4 | 19.3 ± 3.1 | 0.644 |
Temperature | 37.2 ± 0.5 | 37.3 ± 0.6 | 0.289 |
O2 Saturation without support | 89.8 ± 6.9 | 89.7 ± 7.3 | 0.869 |
O2 Saturation with support | 90.8 ± 12.3 | 92.7 ± 2.5 | 0.394 |
Lung auscultation; n (%) | |||
Normal | 25 (61.0) | 16 (39.0) | 0.416 |
Abnormal | 109 (67.7) | 52 (32.3) | |
Physical examination; n (%) | |||
Prominent JVP | 19 (50.0) | 19 (50.0) | 0.018 |
Lymphadenopathy | 7 (70.0) | 3 (30.0) | 0.801 |
Cyanosis | 7 (70.0) | 3 (30.0) | 0.801 |
Edema | 32 (56.1) | 25 (43.9) | 0.055 |
Chest deformity | 0 (0) | 1 (100) | 0.335 |
Radiography in past 3 months; n (%) | 23 (71.9) | 9 (28.1) | 0.545 |
History of admission due to similar complaint; n (%) | 83 (69.7) | 36 (30.3) | 0.230 |
Disease Final diagnosis; n (%) | |||
Pulmonary thromboembolism | 24 (88.9) | 3 (11.1) | 0.008 |
Pneumonia | 21 (61.8) | 13 (38.2) | 0.536 |
Miscellaneous | 28 (68.3) | 13 (31.7) | 0.854 |
Heart failure or overload | 3 (17.6) | 14 (82.4) | < 0.001 |
malignancy (primary/ secondary) | 21 (84.0) | 4 (16.0) | 0.046 |
Chronic obstructive pulmonary disease | 7 (46.7) | 8 (53.3) | 0.094 |
Pleural effusion | 6 (54.5) | 5 (45.5) | 0.513 |
Interstitial lung disease | 8 (80.0) | 2 (20.0) | 0.500 |
Tuberculosis | 10 (83.3) | 2 (16.7) | 0.344 |
Bronchiectasis | 5 (71.4) | 2 (28.6) | 1.000 |
Aspiration pneumonia | 1 (33.3) | 2 (66.7) | 0.263 |