Table III.

Expression of HSP70 according to patient group.

		HSP70 protein expression (gastric antrum)						HSP70 protein expression (gastric body)
Group	N	− (n)	+ (n)	++ (n)	+++ (n)	PR (%)	P-value	− (n)	+ (n)	++ (n)	+++ (n)	PR (%)	P-value
Extreme hot
High bleeding risk	37	2	4	11	20	83.8	0.923a	1	4	11	21	86.5	<0.001a
Low bleeding risk	37	2	5	9	21	81.1	<0.001b	0	4	10	23	89.1	<0.001b
Extreme cold
High bleeding risk	51	25	15	3	8	21.6	<0.001c	11	31	6	3	17.6	<0.001c
Low bleeding risk	51	8	18	20	5	74.5	0.002d	5	24	16	6	43.1	0.005d

P<0.05 was considered statistically significant.

^aHigh bleeding risk group versus low bleeding risk group in the extreme hot climate;

^bExtreme hot climate versus extreme cold climate for the low bleeding risk group;

^cExtreme hot climate versus extreme cold climate for the high bleeding risk group;

^dHigh bleeding risk group versus low bleeding risk group in the extreme cold climate.

PR, positive rate; HSP70, heat shock protein 70.