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. 2013 Nov 5;13:67. doi: 10.1186/1471-2415-13-67

Table 1.

Comparison of variables between groups

Variables	Group	Mean ± SD	Overall p-value	Adjusted p-value
Age	H / M	43.8 ± 11.7 / 48.1 ± 10.5	<0.001^*	0.099^*
	H / E	43.8 ± 11.7 / 55.8 ± 10.2		<0.001^*
	M / E	48.1 ± 10.5 / 55.8 ± 10.2		<0.001^*
Gender (Male:Female)	H / M	31:11 / 61:33	0.304^†
	H / E	31:11 / 34:31	0.026^†
	M / E	61:33 / 34:31	0.112^†
MD value of Humphrey	H / M	−7.57 ± 4.04 dB / -5.15 ± 3.75 dB	0.001^*	0.014^*
	H / E	−7.57 ± 4.04 dB / -4.38 ± 4.02 dB		0.001^*
	M / E	−5.15 ± 3.75 dB / -4.38 ± 4.02 dB		0.307^*
Axial length	H / M	26.96 ± 1.05 mm / 24.95 ± 1.14 mm	<0.001^*	<0.001^*
	H / E	26.96 ± 1.05 mm / 23.55 ± 0.38 mm		<0.001^*
	M / E	24.95 ± 1.14 mm / 23.55 ± 0.38 mm		<0.001^*
Spherical equivalent	H / M	−8.04 ± 1.68D / -3.29 ± 1.65D	<0.001^*	<0.001^*
	H / E	−8.04 ± 1.68D / 0.07 ± 0.40D		<0.001^*
	M / E	−3.29 ± 1.65D / 0.07 ± 0.40D		<0.001^*
Intraocular pressure	H / M	15.8 ± 3.8 mmHg / 14.7 ± 3.0 mmHg	0.019^*	0.162
Intraocular pressure	H / E	15.8 ± 3.8 mmHg / 14.0 ± 2.8 mmHg		0.015
	M / E	14.7 ± 3.0 mmHg / 14.0 ± 2.8 mmHg		0.442

H: high myopia, M: low to moderate myopia, E: emmetropia.

^†Chi-squared test, ^*ANCOVA with Bonferroni adjustment for age and gender.