Table 3.

Normalised coefficients of CNV features with principal component analysis

CNV features	Values	Lower bound (95%)	Upper bound (95%)	P values
Arcade	0.575	0.254	0.896	0.000
Loops	1.322	0.517	2.127	0.001
Tiny branching	1.207	0.627	1.788	<0.0001
Halo	0.078	−0.717	0.873	0.848

CNV features	RR	Lower bound (95%)	Upper bound (95%)
Arcade	2.41	1.68	3.46
Loops	2.93	1.62	5.31
Tiny branching	6.76	2.58	17.75
Halo	1.73	1.37	2.17

Values of the explanatory variables of the statistical mode.

Value: strength of the link between the explanatory variable (criteria) and the variable answer (decision of retreatment).

CNV, choroidal neovascularisation; RR, relative risk.