Correlation coefficient (r)  
  Room light LED P value
TAD & R 0.60 0.35 <0.01
TAD & G 0.60 0.40 <0.01
TAD & B 0.56 0.42 <0.01
Table 1: Relationships between TAD and corneal color (defined as RGB shading) under 2 light conditions-room light and LED. R: Red; B: Blue; G: Green; TAD: Time after Death; LED: Light Emitting Diode.