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Table 2 Comparison of laser devices in terms of parameter measured, reliability, correlation with clinical score and cost

From: A systematic review of objective burn scar measurements

Device Company Parameter Intra-rater reliability Inter-rater reliability Correlation with clinical score Cost Portability References
Laser Doppler Flowmeter Moor Blood flow No data No data LDF showed significant difference in blood flow within hypertrophic and keloid scars and normal skin (2.6–2.8-fold higher). >£30,000 Poor Clark et al. 1996 [56], Timar-Banu et al. 2001 [53].
Laser Doppler Imaging Lisca, Moor Blood flow (red and near infrared wavelengths) No data No data Correlations with clinically assessed grades (VSS) of pigment, vascularity, pliability, and height ranged from r 2 = 0.63 to 0.95. >£30,000 Poor Stewart et al. 2005 [60] Bray et al. 2003 [49].
Laser Speckle Perfusion Imaging Moor Blood flow No data No data Correlations with clinically assessed grades (VSS) of pigment, vascularity, pliability, and height ranged from r 2 = 0.73 to 0.94. >£30,000 Poor Stewart et al. 2005 [60]
  1. LDF = Laser Doppler Flowmetry; VSS = Vancouver Scar Scale