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Intra- and interobserver agreement analysis.
| Variable | PACSa method, ICCb (95% CI) | Photography method, ICC (95% CI) | P value |
| Intraobserver 1 | 0.989 (0.987-0.990) | 0.996 (0.995-0.996) | <.001 |
| Intraobserver 2 | 0.983 (0.981-0.986) | 0.996 (0.995-0.997) | <.001 |
| Intraobserver 3 | 0.984 (0.981-0.986) | 0.996 (0.996-0.997) | <.001 |
| Interobserver | 0.992 (0.991-0.993) | 0.997 (0.997-0.998) | <.001 |
aPACS: Picture Archiving and Communication System.
bICC: intraclass correlation coefficient.
