Table 1.
HRCT feature | Prevalence of detection n (%, 95%CI) |
Difference in prevalence | |||||
---|---|---|---|---|---|---|---|
R1 | R2 | R3 | Among the three readers (p)a | Pairwise (p)b | |||
R | 1 | 2 | |||||
TLS > 6 | 50 (65, 48–86) | 52 (68, 50–89) | 53 (69, 52–90) | 0.678 | 2 | 0.774 | |
3 | 0.549 | 1.000 | |||||
GGO > 2 | 57 (74, 56–96) | 63 (82, 63–100) | 64 (83, 64–100) | 0.057 | 2 | 0.146 | |
3 | 0.092 | 1.000 | |||||
Consolidation > 2 | 25 (32, 21–48) | 16 (21, 12–34) | 22 (29, 18–43) | 0.065 | 2 | 0.012 | |
3 | 0.648 | 0.210 | |||||
Crazy-paving pattern > 2 | 15 (19, 11–32) | 13 (17, 9–29) | 8 (10, 4–20) | 0.142 | 2 | 0.791 | |
3 | 0.119 | 0.227 | |||||
OP pattern | 52 (68, 50–89) | 43 (56, 40–75) | 29 (38, 25–54) | <0.001 | 2 | 0.035 | |
3 | <0.001 | 0.014 |
aCochran’s Q test
bMcNemar test; HRCT, high-resolution computed tomography; 95%CI, 95% confidence interval; R1, reader 1; R2, reader 2; R3, reader 3; R, reader; TLS, total lung score; GGO, ground-glass opacity; OP, organizing pneumonia
Numbers in bold refer to R1, R2, and R3. Numbers in italic refer to p values when statistically significant