Table 3 Risk factors for initial visual loss: continuous variables
Continuous variableMean value in patients with visual loss (n)Mean value in patients without visual loss (n)t test p valueORCI
Blood glucose (mg/dl)160 (59)144 (22)0.2721.221.02–1.46
Age (y)76.6 (64)69.5 (26)0.0001.151.07–1.24
Systolic BP (mm Hg)156 (64)145 (26)0.0561.021.0–1.04
ESR at referral (mm)75 (54)66 (18)0.2131.010.99–1.04
Onset (days)140 (63)88 (26)0.511.00.998–1.00
Platelets at presentation457 (50)448 (17)0.8311.00.997–1.0
Corticosteroid dose (mg HC)672 (64)245 (26)0.00411.00–1.00
Time referral to admission (days)9 (61)6 (24)0.2891.000.98–1.02
ESR at presentation (mm/h)70 (26)68 (63)0.7790.9960.98–1.01
Diastolic BP (mm Hg)82 (64)84 (26)0.4220.990.95–1.03
Duration of hospital stay12 (64)9 (26)0.3631.030.97–1.09
  • BP, blood pressure; ESR, erythrocyte sedimentation rate; HC, hydrocortisone.