Table 5.

Dose–response relationship of variations on serum and intracellular HSPA1A levels in different groups of vascular risk

	Group 0		Group 1		Group 2		P
Serum HSPA1A (ng/mL)	N = 235	1.26 (0.19–29.55)	N = 158	1.22 (0.00–7.54)	N = 51	1.09 (0.05–3.90)	0.028*
Intracellular HSPA1A (ng/μg protein)	N = 239	38.96 (1.56–107.01)	N = 161	40.45 (5.61–160.75)	N = 52	38.62 (7.92–88.41)	NS**

^*P < 0.05 group 2 vs group 0 and group 1 combined (Kruskal–Wallis test) and separately: group 2 vs group 0 (Mann–Whitney test p = 0.010) and group 2 vs group 1 (Mann–Whitney test, p = 0.010); ^**P = NS (Kruskal–Wallis test, p = 0,587)