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A comparison between laser-doppler imaging and colorimetry in the assessment of scarring: "a pilot study"
Wouter Peeters1, Mieke Anthonissen, An Deliaert
1Department of Plastic Surgery, Academic Hospital Maastricht, Maastricht, The Netherlands. peeters.wouter@telenet.be
Background:
This cross-sectional pilot-study investigated the reproducibility of the LDI (Moor-LDI-B2; Moor Instruments) and the chromameter (Minolta chromameter CR-300) when used in scar assessment.
Methods:
Twenty-seven scars in 14 subjects were included between January and June 2003. One observer performed two times both measurements with 10 min apart. The intra-observer agreement is quantified by means of the intra-class correlations (ICC) and the standard errors of measurement (SEM) for both the LDI and the chromameter.
Results:
Ignoring one outlier, the ICC of the LDI = 0.856 and the SEM = 34.56. The chromameter shows a better reproducibility with an ICC of 0.93 and a SEM of 0.79.
Conclusion:
This pilot-study with a limited number of measurements shows a moderate reproducibility of the LDI compared to the chromameter measurements, in the assessment of respectively flux and redness in scars.
