Table 4.

Heat map presenting the number of participants that demonstrated a CIVD reaction for each minute of the cold immersion during exposure in the hot environment (34 ± 1 °C). Colors indicate frequencies. Gray color indicates lack of CIVD.

		Time (min)
		0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40
Women	2nd finger								1	1	1	3	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	3	3	3	3	3	2	2	2
	1st toe									1	2	2	2	2	2	3	4	4	4	4	3	3	4	4	4	3	4	2	3	3	3	3	4	4	4	4	4	3	3	3	2	2
	3rd toe							1	1	3	3	3	4	4	5	5	5	5	4	4	4	3	2	3	2	3	3	3	3	4	4	4	4	4	3	3	3	2	1	1	1	1
	5th toe									2	3	3	4	5	5	5	5	5	5	4	4	4	3	2	2	2	2	2	2	2	2	2	3	2	2	2	2	1	1	1	1
	1st toe *						1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1			1	1	1	1	1	1
Men	2nd finger							1	1	1	1	1	1	2	2	3	3	3	3	2	2	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4	3	2	2	2	2
	1st toe													2	2	2	2	2	2	2	2	2	2	2	1	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1
	3rd toe													1	2	3	3	3	3	2	2	2	3	3	2	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
	5th toe												1	2	2	2	2	2	2	2	2	2	2	3	1	1	1	1	1	2	2	2	2	2	1	1	1	1	1
	1st toe *				1	2	2	2	2	2	1	1	1	1	1	1	1	1	1	1	2	1	1	1	1	1	1	1	1	1	1	1	1

Notes: * = non-immersed foot (all other fingers and toes refer to the immersed limbs).