Table 4

Detailed comparison of examination versus seven field

Ophthalmologist’s examination findings
Reference standard result (seven field stereophotography)Not GrNo DRNon-referable DRMaculopathyMod NPDRSevere NPDRProlif and advTotal
Not gradable293063573
39.7%41.1%8.2%4.1%6.8%100%
No DR68270
97.1%2.9%100%
Non-referable DR354542288
39.8%51.1%4.5%2.3%2.3%100%
Maculopathy135337682
15.9%64.6%3.7%8.5%7.3%100%
Mod NPDR131779147
27.7%36.2%14.9%19.1%2.1%100%
Severe NPDR17415330
3.3%23.3%13.3%50.0%10.0%100%
Proliferative and4148115188
advanced4.5%15.9%9.1%12.5%58.0%100%
Total0132108101224768478
27.6%22.6%21.1%4.6%9.8%14.2%100%