Table 2 Comparison of mean subfoveal choroidal thickness between the two study groups during follow-up after pan-retinal photocoagulation
Changes in mean SFChT according to laser used | Changes in mean SFChT according to severity of DR | ||||||
|---|---|---|---|---|---|---|---|
Total (n = 64) | Pattern laser group (n = 27) | Conventional laser group (n = 37) | aP-value | Severe NPDR group (n = 27) | PDR group (n = 37) | aP-value | |
SFChT Baseline | 315.8 ± 73.3 | 313.3 ± 91.9 | 318.4 ± 58.3 | 0.798 | 309.1 ± 74.3 | 319.4 ± 73.5 | 0.617 |
SFChT 1 M | 305.6 ± 71.6 | 309.5 ± 93.4 | 302.9 ± 52.7 | 0.742 | 297.4 ± 72.5 | 310.1 ± 71.8 | 0.527 |
SFChT 3 M | 299.7 ± 69.6 | 303.9 ± 89.6 | 298.0 ± 52.3 | 0.758 | 295.4 ± 72.7 | 302.1 ± 68.8 | 0.73 |
SFChT 6 M | 296.1 ± 72.6 | 301.2 ± 89.6 | 294.6 ± 57.9 | 0.74 | 290.2 ± 74.4 | 296.0 ± 72.6 | 0.993 |
SFChT 12 M | 281.8 ± 69.4 | 285.1 ± 87.6 | 280.7 ± 53.9 | 0.819 | 284.2 ± 71.6 | 280.4 ± 69.1 | 0.847 |
Δ SFChT 1 M | 10.1 ± 20.1 | 3.8 ± 21.9 | 14.7 ± 17.3 | 0.03 | 11.7 ± 15.5 | 9.3 ± 22.3 | 0.666 |
Δ SFChT 3 M | 16.1 ± 19.5 | 9.4 ± 19.1 | 20.8 ± 18.6 | 0.027 | 13.7 ± 16.9 | 17.3 ± 20.9 | 0.519 |
Δ SFChT 6 M | 19.7 ± 21.0 | 12.1 ± 18.5 | 25.3 ± 21.2 | 0.018 | 12.9 ± 16.2 | 23.4 ± 22.5 | 0.072 |
Δ SFChT 12 M | 34.0 ± 21.2 | 28.1 ± 22.8 | 38.3 ± 19.2 | 0.075 | 24.8 ± 13.7 | 38.9 ± 22.9 | 0.006 |
%Δ SFChT 1 M | 2.9 ± 6.2 | 1.1 ± 7.2 | 4.5 ± 5.1 | 0.52 | 3.7 ± 4.8 | 2.6 ± 6.9 | 0.525 |
%Δ SFChT 3 M | 4.8 ± 6.1 | 2.7 ± 6.4 | 6.3 ± 5.5 | 0.03 | 4.4 ± 5.3 | 5.0 ± 6.6 | 0.701 |
%Δ SFChT 6 M | 6.2 ± 6.8 | 3.7 ± 6.4 | 7.8 ± 6.7 | 0.02 | 4.2 ± 5.6 | 7.2 ± 7.3 | 0.121 |
%Δ SFChT 12 M | 10.7 ± 6.6 | 8.9 ± 7.2 | 11.9 ± 5.9 | 0.087 | 8.1 ± 4.2 | 12.2 ± 7.3 | 0.01 |