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. 2020 Nov 6;2020:8861206. doi: 10.1155/2020/8861206

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 p 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

∗∗significant at p-value < 0.001significant at p-value p-value < 0.05.