Table 4.
Correlation Analysis for the Microvascular Parameters and Serum Biochemical Markers of Diabetes in Patients with Diabetes with No DR
| Serum Biochemical Markers, r (P Value)* | |||||||
|---|---|---|---|---|---|---|---|
| HbA1c | GA | Glc | Ins | HOMA-IR | HOMA-B | PCGR | |
| SCP parameters | |||||||
| FAZ area (mm2) | –0.149 | –0.035 | –0.035 | –0.584 | –0.454 | –0.430 | 0.298 |
| (0.42) | (0.84) | (0.84) | (0.022) | (0.034) | (0.046) | (0.30) | |
| FAZ circularity | –0.257 | –0.118 | –0.119 | 0.006 | 0.024 | 0.089 | 0.006 |
| (0.16) | (0.52) | (0.51) | (0.98) | (0.91) | (0.69) | (0.98) | |
| Vessel density (mm−1) | 0.211 | –0.089 | –0.091 | 0.139 | 0.033 | 0.217 | –0.038 |
| (0.24) | (0.62) | (0.61) | (0.62) | (0.69) | (0.33) | (0.89) | |
| Perfusion index | 0.041 | –0.193 | –0.194 | 0.386 | 0.249 | 0.458 | –0.097 |
| (0.82) | (0.28) | (0.27) | (0.15) | (0.26) | (0.032) | (0.74) | |
| DCP parameters | |||||||
| FAZ area (mm2) | 0.052 | 0.003 | 0.004 | –0.545 | –0.568 | –0.551 | 0.317 |
| (0.79) | (0.98) | (0.98) | (0.036) | (0.009) | (0.012) | (0.29) | |
| FAZ circularity | –0.040 | 0.099 | 0.098 | 0.360 | 0.228 | 0.244 | –0.406 |
| (0.84) | (0.60) | (0.61) | (0.18) | (0.33) | (0.30) | (0.16) | |
| Vessel density (mm−1) | 0.206 | 0.247 | 0.247 | 0.190 | 0.118 | 0.095 | –0.197 |
| (0.25) | (0.16) | (0.16) | (0.49) | (0.60) | (0.66) | (0.50) | |
| Perfusion index | 0.159 | 0.101 | 0.099 | 0.734 | 0.616 | 0.648 | –0.266 |
| (0.38) | (0.57) | (0.58) | (0.002) | (0.002) | (0.001) | (0.35) | |
DCP, deep capillary plexus; GA, glycated albumin; Glc, glucose; Ins, insulin; PCGR, postprandial C-peptide-to-glucose ratio; SCP, superficial capillary plexus.
P values in bold indicate statistical significance (P < 0.05).
*
Pearson's correlation test.