Simultaneous Changes in Astigmatism with Noncycloplegia Refraction and Ocular Biometry in Chinese Primary Schoolchildren

Table 2

Comparison of the type of astigmatism at initial examination and final examination in the 1463 children who underwent follow-up examination at 2 years.

Group at baseline	Group at final (2 years later)
	Non-CSA		Hyperopic astigmates		Mixed astigmates		Myopic astigmates		Total
	n	%	n	%	n	%	n	%	n	%
Non-CSA	1044	91.9	3	0.3	21	1.8	68	6.0	1136	100
Hyperopic astigmates	34	47.2	28	38.9	6	8.3	4	5.6	72	100
Mixed astigmates	50	35.2	6	4.2	44	31	42	29.6	142	100
Myopic astigmates	38	33.6	0	0	9	8	66	58.4	113	100
Total	1166	79.7	37	2.5	80	5.5	180	12.3	1463	100