Table 4

Multivariate stepwise logistic regression analysis of abnormal screening results with significant ocular disease

Clinically significant cataractPOAG (definite)POAG (definite and suspect)Age related macular degeneration (AMD)Significant diabetic retinopathy/maculopathyAny sight-threatening eye disease
OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)OR (95% CI)
Visual acuity<6/125.53
(2.91 to 10.54)
NSNS4.49
(2.40 to 8.41)
NS4.12
(2.26 to 7.52)
Family history of glaucomaNS4.75
(1.51 to 14.92)
2.50
(1.20 to 5.20)
NSNSNS
IOP>21 mm HgNSNSNSNSNSNS
FDT≥1 point missed at 1% levelNS8.55
(2.22 to 32.96)
3.93
(2.05 to 7.53)
NSNSNS
FDT≥1 point missed at 5% level2.60
(1.40 to 4.84)
NSNSNSNS3.62
(2.38 to 5.51)
SD-OCT (GCC thickness)NS5.52
(1.57 to 19.41)
NSNSNSNS
SD-OCT (full retinal thickness)NSNSNSNS17.86
(2.18 to 146.47)
NS
SD-OCT (peripapillary RNFL thickness)NS9.10
(2.85 to 28.96)
11.98
(5.61 to 25.60)
3.81
(1.74 to 8.35)
NS5.24
(2.45 to 11.24)
  • FDT, frequency-doubling technology;GCC, ganglion cell complex; IOP, intraocular pressure; NS, not significant; POAG, primary open-angle glaucoma; RNFL, retinal nerve fibre layer; SD-OCT, spectral domain optical coherence tomography.