Table 2. Statistical analysis of data for spherical values. Agreement between different techniques.

ANOVA for sphere	t-test for sphere
		Rmax(NC) vs TTR	Rmax(NC) vs R	Rmax(C) vs TTR	Rmax(C) vs R	TTR vs R
F=3.905	d	0.65	0.71	0.11	-0.07	-0.06
P=0.009	P	0.012	0.040	0.787	0.125	0.145
	95%CI	0.0146 to 1.153	0.224 to 1.204	-0.068 to 0.089	-0,173 to 0.212	-0.152 to 0.227
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.