Table 3 Agreement between gestalt and component by view scores.
From: Key factors in a rigorous longitudinal image-based assessment of retinopathy of prematurity
Component by view | % Agreement | Absolute agreement (95% CI) | Cohen’s weighted kappa (95% CI) |
|---|---|---|---|
A. Individual scoresa | |||
Vascular tortuosity | |||
CVT | 81.6 | 0.56 (0.49–0.63) | 0.57 (0.50–0.65) |
IVT | 74.9 | 0.42 (0.34–0.50) | 0.43 (0.35–0.51) |
NVT | 77.4 | 0.40 (0.32–0.48) | 0.44 (0.35–0.53) |
SVT | 75.4 | 0.39 (0.31–0.47) | 0.42 (0.33–0.51) |
TVT | 78.8 | 0.45 (0.38–0.53) | 0.48 (0.39–0.56) |
Vascular dilation | |||
CVD | 65.1 | 0.22 (0.13–0.31) | 0.21 (0.13–0.29) |
IVD | 62.9 | 0.21 (0.12–0.30) | 0.19 (0.11–0.27) |
NVD | 62.1 | 0.12 (0.02–0.21) | 0.13 (0.05–0.21) |
SVD | 59.7 | 0.39 (0.31–0.47) | 0.12 (0.04–0.19) |
TVD | 63.3 | 0.45 (0.38–0.53) | 0.15 (0.07–0.23) |
Stage | |||
CST | 25.4 | 0.002 (− 0.04 to 0.05) | 0.003 (− 0.002 to 0.009) |
IST | 41.6 | 0.14 (− 0.012 to 0.28) | 0.14 (0.10–0.18) |
NST | 50.2 | 0.31 (0.04–0.35) | 0.22 (0.17–0.27) |
SST | 33.9 | 0.06 (− 0.03 to 0.16) | 0.07 (0.04–0.09) |
TST | 59.0 | 0.3 (0.11–0.45) | 0.32 (0.26–0.38) |
Heme | |||
CH | 25.1 | 0.002 (− 0.04 to 0.05) | 0.002 (− 0.002 to 0.01) |
IH | 25.6 | 0.002 (− 0.04 to 0.05) | 0.005 (− 0.001 to 0.01) |
NH | 27.9 | 0.02 (− 0.03 to 0.08) | 0.02 (0.009–0.4) |
SH | 24.9 | 0.004 (− 0.04 to 0.05) | − 0.004 (− 0.02 to 0.01) |
TH | 27.1 | 0.02 (− 0.03 to 0.08) | 0.01 (− 0.004 to 0.03) |
Growth of vessels | |||
CG | 25.4 | − 0.003 (− 0.04 to 0.04) | 0.01 (− 0.007 to 0.03) |
IG | 25.6 | − 0.04 (− 0.11 to 0.04) | 0.006 (− 0.01 to 0.02) |
NG | 26.0 | − 0.02 (− 0.06 to 0.04) | 0.02 (− 0.008 to 0.04) |
SG | 26.7 | − 0.02 (− 0.06 to 0.04) | 0.02 (− 0.005 to 0.04) |
TH | 26.2 | − 0.01 (− 0.06 to 0.04) | 0.01 (− 0.006 to 0.04) |
B. Longitudinal scoresb | |||
Vascular tortuosity | |||
CVT | 42.9 | 0.82 (0.73–0.88) | 0.61 (0.52–0.70) |
IVT | 42.9 | 0.68 (0.55–0.78) | 0.51 (0.39–0.63) |
NVT | 39.3 | 0.68 (0.55–0.78) | 0.48 (0.37–0.59) |
SVT | 36.9 | 0.66 (0.52–0.77) | 0.47 (0.35–0.59) |
TVT | 42.9 | 0.66 (0.52–0.77) | 0.48 (0.35–0.60) |
Vascular dilation | |||
CVD | 22.6 | 0.26 (0.05–0.44) | 0.17 (0.04–0.30) |
IVD | 20.2 | 0.32 (0.11–0.49) | 0.21 (0.08–0.34) |
NVD | 23.8 | 0.18 (− 0.034 to 0.38) | 0.14 (− 0.009 to 0.28) |
SVD | 19.0 | 0.66 (0.52–0.77) | 0.13 (− 0.005 to 0.26) |
TVD | 22.6 | 0.66 (0.52–0.77) | 0.16 (0.02–0.30) |
Stage | |||
CST | 14.3 | 0.003 (− 0.05 to 0.08) | 0.001 (− 0.001 to 0.004) |
IST | 17.9 | 0.2 (− 0.08 to 0.46) | 0.13 (0.07–0.20) |
NST | 23.8 | 0.3 (− 0.07 to 0.57) | 0.22 (0.13–0.31) |
SST | 14.3 | 0.08 (− 0.06–0.26) | 0.05 (0.02–0.08) |
TST | 21.4 | 0.38 (− 0.07–0.67) | 0.25 (0.17–0.34) |
Heme | |||
CH | 14.3 | 0.003 (− 0.05 to 0.08) | 0.001 (− 0.001 to 0.004) |
IH | 14.3 | 0.003 (− 0.05 to 0.08) | 0.001 (− 0.001 to 0.004) |
NH | 15.5 | 0.03 (− 0.05 to 0.12) | 0.02 (− 0.006 to 0.04) |
SH | 14.3 | 0.004 (− 0.05 to 0.08) | 0.003 (− 0.001 to 0.007) |
TH | 14.3 | 0.03 (− 0.05 to 0.12) | 0.02 (− 0.006 to 0.03) |
Growth of vessels | |||
CG | 16.7 | − 0.003 (− 0.05 to 0.07) | 0.01 (− 0.003 to 0.03) |
IG | 17.9 | − 0.04 (− 0.12 to 0.08) | 0.01 (− 0.004 to 0.02) |
NG | 16.7 | − 0.03 (− 0.09 to 0.06) | 0.01 (− 0.004 to 0.03) |
SG | 16.7 | − 0.03 (− 0.09 to 0.06) | 0.01 (− 0.003 to 0.03) |
TH | 19.0 | − 0.02 (− 0.08 to 0.06) | 0.02 (0.001 to 0.03) |