Table 1.

Baseline characteristics of eyes included in the study.

AL (mm)	Eyes (number)	Patient age (yr)	Mean AL (mm)	Mean K (D)
Group A
26.01–27.00	24	68.92 ± 10.15	26.39 ± 0.33	44.28 ± 1.92
27.01–28.00	33	67.67 ± 9.24	27.46 ± 0.32	44.06 ± 1.97
Subtotal	57	68.19 ± 9.56	27.01 ± 0.63	44.15 ± 1.94
P value†		0.015 ∗	/	0.137
Group B
28.01–29.00	17	68.29 ± 11.85	28.54 ± 0.29	44.61 ± 1.84
29.01–30.00	31	66.58 ± 10.45	29.49 ± 0.24	44.39 ± 1.32
Subtotal	48	67.19 ± 10.87	29.16 ± 0.53	44.47 ± 1.51
P value†		0.029 ∗	/	0.057
Group C
30.01–31.00	18	63.50 ± 10.55	30.45 ± 0.34	43.67 ± 1.70
31.01–32.00	13	64.92 ± 10.89	31.45 ± 0.30	44.17 ± 1.73
32.01–33.00	6	58.00 ± 9.83	32.61 ± 0.26	44.22 ± 0.86
Subtotal	37	63.11 ± 10.47	31.15 ± 0.86	43.93 ± 1.59
P value†		0.210	/	0.244
Group D
33.01–36.00	6	57.50 ± 4.68	34.02 ± 1.09	43.07 ± 0.58
Subtotal	6	57.50 ± 4.68	34.02 ± 1.09	43.07 ± 0.58
Total	148	66.16 ± 10.37	29.03 ± 2.05	44.15 ± 1.70
P value‡		0.017 ∗	/	0.195

AL, axial length; K, keratometric reading; D, diopters.

^†Compared with Group D (one-way ANOVA).

^‡Compared among the four groups (one-way ANOVA).

∗ indicates P < 0.05.