Table 2. Cumulative percentages of children according to the MMC score.

MMC score EES		Cumulative Percentage	MMC score EES		Cumulative Percentage	MMC score LES		Cumulative Percentage	MMC score LES		Cumulative Percentage
Control group	31	5.1	LD group	23	6.9	Control group	29	1.5	LD group	27	3.0
	32	15.4		25	10.3		32	3.0		28	6.1
	33	28.2		27	24.1		33	6.0		30	12.1
	34	51.3		28	34.5		34	19.4		31	15.2
	35	71.8		29	37.9		35	38.8		32	33.3
	36	92.3		30	51.7		36	74.6		34	45.5
	37	100.0		31	58.6		37	100.0		35	69.7
	N	39		32	69.0		n	67		36	87.9
				33	72.4					37	100.0
				34	82.8					n	33
				35	93.1
				36	96.6
				37	100.0
				n	29

EES: early elementary school; LES: late elementary school.