Table 3.

Percentage and cumulative percentage explained by each factor (R-mode) for normal, no retinopathy, and with retinopathy groups

Factor	Percent of variance			Cumulative percent of variance
	Normal	No retinopathy	With retinopathy	Normal	No retinopathy	With retinopathy
1	28.34	22.35	30.52	28.34	22.35	30.52
2	19.11	20.91	17.89	47.45	43.26	48.41
3	16.92	17.30	13.59	64.37	60.56	62.00
4	13.93	12.23	12.68	78.30	72.79	74.68