Table 4. Correlation between HbA1c and Doppler blood flow parameters of both foot arteries in diabetic patients.

DPA: dorsalis pedis artery; PTA: posterior tibial artery; PI: pulsatility index; RI: resistance index; HbA1c: hemoglobin A1c

*The value is significant at <0.01.

		Right DPA PI	Right DPA RI	Left DPA PI	Left DPA RI	Right PTA PI	Right PTA RI	Left PTA PI	Left PTA RI
HbA1c	Pearson correlation	-0.001	0.839*	-0.092	0.801*	-0.071	0.801*	-0.102	0.801*
	Sig (2-tailed)	0.992	0.000	0.361	0.000	0.484	0.000	0.315	0.000
	N	100	100	100	100	100	100	100	100