Table 2.

Study subject grouping by ambient temperature.

	Ambient Temperature (°C)	Relative Humidity	Subject # for IRT-1	Subject # for IRT-2
Group 1 [41]	20–24	10–62% (7.5% subject data in the 50–62% range)	544	540
Group 2	24–29	10–62% (9.9% subject data in the 50–62% range)	476	470