Multiple regression analysis for evaluating predictors for the duration of hospitalization.

Adjusted R2=0.175, F(4.326)=18.593, std. estimation error=6.7096, p<0.000.

VA – visual acuity Std. – standard.

PREDICTORS

STD. BETA COEFFICIENTS

STD. ERROR BETA

t RATIO

p LEVEL

Initial VA

0,143271

0,070618

2,028817

0,043289

Zones of injury

0,108722

0,050104

2,169905

0,030736

Surgery

0,168838

0,053875

3,133915

0,001882

Final VA

0,215421

0,072961

2,952533

0,003381