TAD&R P value TAD&G P value TAD&B P value Age category (years) <40 0.43 <0.01 0.41 <0.01 0.36 <0.01 40-49 0.44 <0.01 0.44 <0.01 0.44 <0.01 50-59 0.62 <0.01 0.54 <0.01 0.47 <0.01 60-69 0.61 <0.01 0.57 <0.01 0.52 <0.01 70-79 0.69 <0.01 0.64 <0.01 0.58 <0.01 ≥80 0.65 <0.01 0.73 <0.01 0.75 <0.01 Position at death             Dorsal 0.61 <0.01 0.61 <0.01 0.56 <0.01 Prone 0.61 <0.01 0.57 <0.01 0.52 <0.01 Lateral 0.69 <0.01 0.66 <0.01 0.66 <0.01 Hanging 0.5 <0.01 0.51 <0.01 0.52 <0.01 Sitting 0.65 <0.01 0.69 <0.01 0.7 <0.01 Environmental temperature (°C) <10 0.61 <0.01 0.61 <0.01 0.56 <0.01 10-20 0.61 <0.01 0.57 <0.01 0.52 <0.01 ≥30 0.69 <0.01 0.66 <0.01 0.66 <0.01

Table 2: The correlation coefficients for the relationships between TAD and corneal color (defined as RGB shading) displayed as groups by age, position at death, and environmental temperature of the cadaver. R: Red; B: Blue; G: Green; TAD: Time after Death.