Pattern Visual Evoked Potential Changes in Diabetic Patients without Retinopathy

Table 5

The correlation of diabetes duration with N75, P100, and N135 latencies.

Check size	Diabetes duration with N75 latency		Diabetes duration with P100 latency		Diabetes duration with N135 latency
	Correlation coefficient (R)	value	Correlation coefficient (R)	value	Correlation coefficient (R)	value
120 min	0.079	0.555	0.023	0.864	−0.154	0.250
60 min	−0.028	0.837	0.080	0.549	0.059	0.662
30 min	0.172	0.197	0.142	0.287	0.136	0.309
15 min	0.253	0.055	0.322	0.014	0.330	0.011
7 min	0.256	0.052	0.294	0.025	0.157	0.240

Spearman correlation test was used.