Table 2.

Summarised mean temperature differences between studies classified as group “one” and group “two” (°F)

Group	Sample size	Mean temperature	95% confidence	95% confidence
		difference	limit (lower)	limit (upper)
1	4	4.88	2.80	6.96
2	4	1.43	−0.44	3.30
difference		3.45	0.77	6.14