Table 3.

Table 3A. Transitions of the retinopathy status among the 222 participants <19 years of age.
From→To	None	Mild NPDR	Moderate NPDR	Severe NPDR	PDR/CSME
1 No DR	504	161	1	0	0
2 Mild NPDR	113	377	13	0	2
3 Moderate NPDR	0	15	5	0	0
4 Severe NPDR	0	0	0	0	0
Table 3B. Transitions of the retinopathy status among the 244 participants <20 years of age.
From→To	None	Mild NPDR	Moderate NPDR	Severe NPDR	PDR/CSME
1 No DR	604	214	2	0	0
2 Mild NPDR	143	548	29	0	3
3 Moderate NPDR	0	22	12	1	0
4 Severe NPDR	0	0	0	0	0
Table 3C. Transitions of the retinopathy status among 290 participants <21 years of age.
From→To	None	Mild NPDR	Moderate NPDR	Severe NPDR	PDR/CSME
1 No DR	697	245	2	0	0
2 Mild NPDR	170	751	40	0	4
3 Moderate NPDR	0	32	23	2	5
4 Severe NPDR	0	0	0	0	1