Table 3

Optometrists’ VIMOC evaluations of retinal images and corresponding ophthalmologist grading and patient glucose status
Image evaluation Optometrist consideration on further management
Imagea Patient status Ophthalmologists grading of DR Optometrists true findings of DR No/Routine follow-up Report / referral to general practitioner Report / referral to ophthalmologist
n % (95%CI) n % (95%CI) n % (95%CI) n % (95%CI)
8 IGT No DR 46 64 (52 to 75) 17 37 (23 to 51) 21 46 (31 to 60) 8 17 (6 to 28)
5 KDM No DR 53 72 (61 to 82) 30 37 (43 to 70) 10 19 (8 to 29) 13 25 (13 to 36)
14 SDDM No DR 61 82 (74 to 91) 31 51 (38 to 63) 18 30 (18 to 41) 12 20 (10 to 30)
13 SDDM No DR 64 86 (79 to 94) 33 52 (39 to 64) 10 16 (7 to 25) 21 33 (21 to 44)
12 SDDM No DR 68 92 (86 to 98) 58 85 (77 to 94) 4 6 (0 to 11) 6 9 (2 to 16)
11 KDM No DR 71 96 (91 to 100) 61 86 (78 to 94) 2 3 (0 to 7) 8 11 (4 to 19)
2 NGT No DR 73 99 (96 to 100) 66 90 (84 to 97) 4 5 (0 to 11) 3 4 (0 to 9)
1 NGT Mild NPDR 23 31 (20 to 42) 1 4 (0 to 13) 8 35 (15 to 54) 14 61 (41 to 81)
6 IGT Mild NPDR 39 53 (41 to 64)) 1 3 (0 to 8) 10 26 (12 to 39) 28 72 (58 to 86)
3 NGT Mild NPDR 40 54 (42 to 66) 0 0 (0 to 0) 19 48 (32 to 63) 21 53 (37 to 68)
7 DM Mild NPDR 41 55 (44 to 67) 1 2 (0 to 7) 15 37 (22 to 51) 25 61 (46 to 76)
4 DM Mild NPDR 57 77 (67 to 87) 2 4 (0 to 8) 20 35 (23 to 47) 35 61 (49 to 74)
9b DM Moderate NPDR 71 100 (100 to 100) 0 0 (0 to 0) 4 6 (0 to 11) 67 94 (89 to100)
10c DM Moderate NPDR 73 100 (100 to 100) 0 0 (0 to 0) 8 11 (4 to 18) 65 89 (82 to 96)

CI, confidence interval; DR, diabetic retinopathy; IGT, impaired glucose tolerance; KDM, known diabetes; NGT, normal glucose tolerance; NPDR, non-proliferative diabetic retinopathy; SDDM, screen-detected diabetes; VIMOC, Visual Identification and Management of Ophthalmological Conditions. a The number refers to the number in image presentation sequence of the VIMOC examinationMissing grading data from b3 and c1 optometrists.

Sundling et al.

Sundling et al. BMC Health Services Research 2013 13:17   doi:10.1186/1472-6963-13-17

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