Age (years) | | | 64.2 (9.98) | 64.3 (10.69) |
Sex | Female | | 6 (29%) | 8 (42%) |
| Male | | 15 (71%) | 11 (58%) |
Ethnicity | Afro-Caribbean | | 1 (5%) | 0 (0%) |
| White | | 19 (90%) | 18 (95%) |
| Indian | | 1 (5%) | 1 (5%) |
Type of diabetes | Type 1 | | 2 (10%) | 1 (5%) |
| Type 2 | | 19 (90%) | 18 (95%) |
Insulin controlled | Yes | | 11 (52%) | 15 (79%) |
Blood pressure (mm Hg) | Systolic | | 140 (16) | 136 (14) |
| Diastolic | | 77 (11) | 77 (9) |
HbA1c% | | | 7.7 (1.4) | 8.8 (1.5) |
Serum creatinine (mmol/l) | | | 108.5 (41.6) | 103.2 (32.5) |
Median duration of diabetes (years) [IQR*] | | | 11 8,16 | 14.5 10,20 |
Past history of laser treatment | Heavy macular laser (>300 burns) | | 14 | 12 |
| Moderate macular laser (126–300 burns) | | 5 | 4 |
| Light macular laser (<126 burns) | | 2 | 3 |
| Panretinal photocoagulation | | 3 | 4 |
ETDRS logMAR visual acuity mean (SD) | | | 0.60 (0.23) | 0.65 (0.28) |
OCT central macular thickness (μm) median [IQR] | | | 403 [337, 492] | 387 [298, 491] |
Median central nuclear density (%) [IQR] | | | 33.05 [30.0, 42.5] | 33.85 [29.6, 49.0] |