Table 4 Accuracy between core temperature site and TT and RT as reported from the 10 studies in table 3 using RT as a measurement.

TT accuracy			RT accuracy
Correlation	Mean °C	±SD (°C)	Correlation	Mean °C	±SD (°C)
	0.6	1.0		0.7	1.7
	−0.3	0.5		−0.4	0.5
0.98	0.2	0.2		−0.2–0.5	0.1–0.4
0.80–0.87	−0.3 to −0.7	0.4	0.93–0.97	0.2	0.2
	0.07	0.4	–	–	–
0.87–0.91	0.5	0.5	–	–	–
0.90–0.98	0.1	0.3	0.100	0.04	0.36
0.90	0.4	0–1.0		0.5	0 to −1.0
0.74	−0.1	0.06	0.93	0.4	0.07
	−0.06	0.58		0.07	0.32
0.94			0.94

Accuracy as defined by correlation coefficient >0.80 and/or differences of the mean temperatures and SD.