Relationship between Tongue Temperature Estimated by Infrared Thermography, Tongue Color, and Cold-Heat Pathological Patterns: A Retrospective Chart Review Study

Table 1

Descriptive characteristics of the participants.

Scale	Tongue region	Minimum	Maximum	Mean ± SD
Age (year)		15	71	39.1 ± 11.5
Body temperature; (°C)		36.0	36.8	36.3 ± 0.2
Tongue temperature (°C)	R0	28.7	35.0	32.7 ± 1.6
	R1	29.2	35.4	33.0 ± 1.6
	R2	29.2	35.6	33.1 ± 1.6
	R3	27.8	34.9	32.2 ± 1.7
	R4	28.5	35.4	33.2 ± 1.6
	R5	29.3	36.6	34.0 ± 1.5
	R6	29.3	36.4	34.1 ± 1.6

Note: R₀: tongue center; R₁: right side of the tongue center; R₂: left side of the tongue center; R₃: tip of the tongue; R₄: center of the tongue root; R₅: right side of the tongue root; and R₆: left side of the tongue root.