Table 4. Statistical analysis of data for spherical equivalent values. Agreement between different techniques.

ANOVA for spherical equivalent	t-test for spherical equivalent
		Rmax(NC) vs TTR	Rmax(NC) vs R	Rmax(C) vs TTR	Rmax(C) vs R	TTR vs R
F=7.489	d	0.73	0.85	0.14	-0.14	-0.13
P=0.01	P	0.011	0.002	0.736	0.625	0.657
	95%CI	0.165 to 1.29	0.313 to 1.387	-0.068 to 0.096	-0.239 to -0.034	-0.220 to -0.024
Different		Different	Different	Similar	Similar	Similar

d: Mean difference between measurement technique; ANOVA: Analysis of variance test; CI: Confidence Interval; F: Variance ratio; Rmax: Retinomax; NC: Noncycloplegic; C: Cycloplegic; TTR: Table top autorefractor; R: Retinoscopy.