Research Article
Competency in Chest Radiography Interpretation by Junior Doctors and Final Year Medical Students at a Teaching Hospital
Table 3
Proportion of correct CXR interpretation by grade of participants.
| Slide number, interpretation | Clinical history | Grade of participants (% correct) | Residents (N = 10) | Medical officers (N = 18) | House officer (N = 33) | Medical students (N = 38) | Total (N = 99) | Chi-square value |
| 1, pneumothorax | No | 40.0 | 11.1 | 42.4 | 18.4 | 27.3 | 0.037 | Yes | 60.0 | 5.6 | 57.6 | 10.5 | 30.3 | <0.001 | 2, normal image | No | 10.0 | 16.7 | 9.1 | 15.8 | 13.1 | 0.803 | Yes | 70.0 | 66.7 | 78.8 | 57.9 | 67.7 | 0.313 | 3, pneumoperitoneum | No | 60.0 | 27.8 | 21.2 | 10.5 | 22.2 | 0.009 | Yes | 80.0 | 88.9 | 81.8 | 57.9 | 73.7 | 0.039 | 4, pneumomediastinum | No | 10.0 | 5.6 | 6.1 | 10.5 | 8.1 | 0.875 | Yes | 50.0 | 55.6 | 24.2 | 26.3 | 33.3 | 0.062 | 5, lung collapse | No | 30.0 | 33.3 | 54.6 | 26.3 | 37.4 | 0.090 | Yes | 30.0 | 44.4 | 42.4 | 31.6 | 37.4 | 0.677 | 6, pulmonary edema | No | 40.0 | 38.9 | 51.5 | 47.4 | 46.5 | 0.817 | Yes | 90.0 | 88.9 | 81.8 | 89.3 | 86.9 | 0.848 | 7, pneumonia | No | 70.0 | 72.2 | 60.6 | 63.2 | 64.7 | 0.837 | Yes | 100.0 | 94.4 | 84.9 | 97.4 | 92.9 | 0.155 | 8, tuberculosis | No | 70.0 | 72.2 | 75.8 | 50.0 | 64.7 | 0.115 | Yes | 90.0 | 100.0 | 84.9 | 73.7 | 83.8 | 0.083 | 9, Pancoast tumour | No | 50.0 | 22.2 | 48.5 | 42.1 | 41.4 | 0.293 | Yes | 60.0 | 61.1 | 75.8 | 47.4 | 60.6 | 0.113 | 10, clavicular fracture | No | 30.0 | 55.6 | 15.2 | 39.5 | 33.3 | 0.022 | Yes | 50.0 | 66.7 | 72.7 | 65.8 | 66.7 | 0.613 |
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significant at significant at p-value . |