Table 3 Diagnostic accuracy in relation to various factors
Variable | No. of diagnostic cases | Total No. of cases | Diagnostic accuracy (%) | P value |
|---|---|---|---|---|
Age (year) | 0.652 | |||
< 50 | 65 | 71 | 91.5 | |
≥ 50 | 76 | 85 | 89.4 | |
Sex | 0.215 | |||
Male | 61 | 65 | 93.8 | |
Female | 80 | 91 | 87.9 | |
Emphysema on CT | 0.972 | |||
None | 101 | 112 | 90.2 | |
Mild | 19 | 21 | 90.5 | |
Moderate | 14 | 15 | 93.3 | |
Prominent | 7 | 8 | 87.5 | |
Lesion size (mm) | < 0.001 | |||
≤ 10 | 29 | 40 | 72.5 | |
11–20 | 112 | 116 | 96.6 | |
GGO component | < 0.001 | |||
> 90% | 35 | 47 | 74.5 | |
50–90% | 106 | 109 | 97.2 | |
Lesion depth (mm) | ||||
0 | 35 | 38 | 92.1 | 0.891 |
1–20 | 48 | 53 | 90.6 | |
> 20 | 58 | 65 | 89.2 | |
Lesion location | 0.331 | |||
Upper and middle lobes | 93 | 101 | 92.1 | |
Lower lobe | 48 | 55 | 87.3 | |
Specimen size (mm) | 0.491 | |||
< 15 | 81 | 91 | 89.0 | |
≥ 15 mm | 60 | 65 | 92.3 | |
Individual radiologist | 0.788 | |||
A | 39 | 42 | 92.9 | |
B | 55 | 61 | 90.2 | |
C | 47 | 53 | 88.7 | |