Changes in Frequency-Doubling Perimetry in Patients with Type I Diabetes prior to Retinopathy

Table 2

Clinical data of diabetic patients.

	Mean	SD	Minimal value	Maximal value
HbA1c last 3 months	7.78	1.33	5.5	11.6
HbA1c last year	7.76	1.35	4.5	10.8
Number of insulin injections per day	3.10	0.63	1	5
Number of insulins	2	0.55	1	4

SD: standard deviation.