Table 4. Microvascular reactivity outcomes from post-occlusive reactive hyperemia.

Outcome	Thermoneutral shower control T0	Thermoneutral shower control T1	Thermoneutral shower control T2	Contrast heat-cold T0	Contrast heat-cold T1	Contrast heat-cold T2	Between-group ΔΔ (T1-T0 / T2-T0), effect size, p-value
PORH Peak (PU)	35.7 ± 4.1	38.01 ± 5.38	36.4 ± 4.6	34.8 ± 4.0	37.5 ± 5.4	35.6 ± 4.4	ΔΔ 0.36 (95% CI -1.24 to 1.96), p = 0.651; g 0.09. ΔΔ 0.08 (95% CI -0.70 to 0.86), p = 0.830; g 0.02.
Resting flow RF (PU)	23.9 ± 1.8	24.30 ± 1.81	24.0 ± 1.9	24.3 ± 2.0	24.9 ± 2.2	24.4 ± 2.2	ΔΔ 0.15 (95% CI -0.18 to 0.47), p = 0.365; g 0.08. ΔΔ 0.03 (95% CI -0.28 to 0.35), p = 0.833; g 0.02.
Time to peak TTP (s)	23.5 ± 5.2	22.37 ± 4.89	23.5 ± 5.1	24.3 ± 4.4	23.1 ± 3.9	24.5 ± 4.5	ΔΔ 0.01 (95% CI -0.74 to 0.77), p = 0.972; g 0.00. ΔΔ 0.27 (95% CI -0.08 to 0.61), p = 0.126; g 0.05.
Recovery time (min)	6.2 ± 0.9	5.81 ± 0.84	6.1 ± 0.9	6.2 ± 0.9	5.9 ± 1.0	6.1 ± 1.0	ΔΔ 0.02 (95% CI -0.20 to 0.23), p = 0.873; g 0.02. ΔΔ -0.09 (95% CI -0.19 to 0.02), p = 0.108; g -0.09.

Values are mean ± SD. PORH, post-occlusive reactive hyperemia; PU, perfusion units; RF, resting flow; TTP, time to peak; ΔΔ denotes the between-group difference in change from baseline (contrast minus control). Effect sizes are Hedges g for pretest-posttest control designs.