Table 2.
Comparison of CT measurements of all groups; adjusted for the presence of hypertension
| Location | Nondiabetic group (n=27), mean ± SE (µm) | GDM group (n=15), mean ± SE (µm) | Type 2 DM group (n=16), mean ± SE (µm) | Type 1 DM group (n=14), mean ± SE (µm) | p-value (adjusted for hypertension) |
|---|---|---|---|---|---|
| T5 | 250.9 ± 16.3a,b | 260.2 ± 12.7b | 242.4 ± 11.2a,b | 212.7 ± 15.1a | 0.049 |
| T4 | 269.4 ± 18.0a,b | 273.4 ± 15.4b | 252.9 ± 12.1a,b | 226.6 ± 14.1a | 0.026 |
| T3 | 277.8 ± 16.4b | 283.5 ± 15.7b | 274.9 ± 10.2a,b | 232.2 ± 12.2a | 0.007 |
| T2 | 283.9 ± 17.7a,b | 294.5 ± 16.7b | 288.8 ± 12.2a,b | 240.6 ± 14.7a | 0.015 |
| T1 | 287.1 ± 18.4a,b | 304.8 ± 17.4b | 304.3 ± 14.3a,b | 248.2 ± 15.6a | 0.014 |
| SF | 293.9 ± 19.0a,b | 311.3 ± 19.6a,b | 318.4 ± 14.0b | 255.1 ± 15.5a | 0.014 |
| N1 | 267.2 ± 20.2 | 294.3 ± 23.4 | 291.7 ± 16.2 | 242.7 ± 16.3 | 0.067 |
| N2 | 243.4 ± 19.0 | 274.3 ± 20.9 | 282.8 ± 14.9 | 231.7 ± 15.1 | 0.106 |
| N3 | 217.6 ± 17.6 | 242.1 ± 18.7 | 257.2 ± 14.4 | 218.6 ± 14.7 | 0.338 |
| N4 | 190.0 ± 15.6 | 222.9 ± 18.2 | 227.0 ± 12.6 | 191.5 ± 13.5 | 0.190 |
Note:
Same letter does not differ from each other at a 5% of significance by GEE with Bonferroni adjustment.
Abbreviations: CT, choroidal thickness; DM, diabetes mellitus; GDM, gestational diabetes mellitus; N1, choroidal thickness at 500 µm nasal to the fovea; GEE, generalized estimating equations; N2, choroidal thickness at 1,000 µm nasal to the fovea; N3, choroidal thickness at 1,500 µm nasal to the fovea; N4, choroidal thickness at 2,000 µm nasal to the fovea; SF, choroidal thickness at the fovea; T1, choroidal thickness at 500 µm temporal to the fovea; T2, choroidal thickness at 1,000 µm temporal to the fovea; T3, choroidal thickness at 1,500 µm temporal to the fovea; T4, choroidal thickness at 2,000 µm temporal to the fovea; T5, choroidal thickness at 2,500 µm temporal to the fovea.