Fig. 2From: Assessment of a new point-of-care system for detection of prostate specific antigenLinear regression analysis of concile® PSA measurement in comparison to Immulite® (a) and Centaur (b) values at PSA range ≤ 4 ng/ml and ≤ 10 ng/ml (c, d) (dashed lines = 95 % confidence interval)Back to article page