Patient demographics at initial treatment
| Overall | 2010–2012 | 2011–2013 | 2012–2014 | 2013–2015 | 2014–2016 | 2015–2017 | P value for ANOVA | P value for trend test | |
| Number of eyes | 2049 | 136 | 285 | 365 | 551 | 468 | 244 | – | – |
| Number of patients | 1552 | 105 | 229 | 258 | 405 | 364 | 191 | – | – |
| Mean age (years)* | 63.5±10.8 | 64.8±10.7 | 64.0±10.6 | 63.3±11.1 | 62.3±11.4 | 64.6±10.3 | 63.0±9.5 | 0.033 | 0.547 |
| Sex (male/female) | 989/563 | 63/42 | 139/90 | 166/92 | 252/153 | 247/117 | 122/69 | 0.458 | 0.145 |
| Duration of DM (M)† | 94 (36–168) | 120 (40–180) | 120 (60–192) | 71 (24–132) | 84 (32–180) | 96 (36–168) | 60 (24–120) | 0.006 | 0.001 |
| HbA1c (%)* | 7.7±1.8 | 7.5±1.5 | 7.6±1.8 | 7.6±1.7 | 7.9±2.0 | 7.6±1.6 | 7.7±1.8 | 0.170 | 0.425 |
| eGFR (mL/min/1.73 m2) * | 64.8±27.2 | 65.2±27.6 | 61.9±23.7 | 65.9±30.6 | 67.1±28.2 | 61.3±25.5 | 68.1±26.6 | 0.176 | 0.657 |
| Cataract surgery | n=818 (39.9%) | n=75 (55.1%) | n=96 (33.7%) | n=96 (26.3%) | n=154 (27.9%) | n=114 (24.4%) | n=82 (33.6%) | <0.001 | <0.001 |
| Photocoagulation outside the macula | n=617 (30.1%) | n=72 (52.9%) | n=114 (40.0%) | n=157 (43.0%) | n=243 (44.1%) | n=159 (34.0%) | n=73 (29.9%) | <0.001 | <0.001 |
*Data are provided as mean±SD.
†Data are provided as median with range.
ANOVA, analysis of variance; DM, diabetes mellitus; eGFR, estimated glomerular filtration rate; HbA1c, glycohaemoglobin.