Table 4 The correlation coefficients among anterior corneal topographic indices, HbA1c and fasting blood sugar levels in diabetic and non-diabetic groups
FBS | HbA1c | ||||
|---|---|---|---|---|---|
P-value* | r | P-value* | r | ||
K1 (D) | Diabetic group | 0.238 | 0.057 | 0.820 | 0.011 |
Non-diabetic group | 0.010 | 0.099 | 0.918 | 0.004 | |
K2 (D) | Diabetic group | 0.119 | 0.075 | 0.708 | 0.018 |
Non-diabetic group | 0.007 | 0.103 | 0.373 | 0.034 | |
Mean K (D) | Diabetic group | 0.148 | 0.070 | 0.744 | 0.016 |
Non-diabetic group | 0.009 | 0.100 | 0.560 | 0.022 | |
Kmax (D) | Diabetic group | 0.498 | 0.033 | 0.992 | 0.000 |
Non-diabetic group | 0.024 | 0.087 | 0.362 | 0.035 | |
Q-value | Diabetic group | 0.720 | 0.017 | 0.403 | -0.040 |
Non-diabetic group | 0.479 | 0.027 | 0.912 | -0.004 | |
ISV | Diabetic group | 0.541 | -0.030 | 0.731 | 0.017 |
Non-diabetic group | 0.546 | -0.023 | 0.096 | 0.064 | |
IVA (mm) | Diabetic group | 0.122 | -0.075 | 0.749 | -0.016 |
Non-diabetic group | 0.308 | -0.039 | 0.735 | 0.013 | |
KI | Diabetic group | 0.390 | -0.042 | 0.159 | -0.068 |
Non-diabetic group | 0.859 | 0.007 | 0.772 | 0.011 | |
CKI | Diabetic group | 0.130 | -0.073 | 0.823 | -0.011 |
Non-diabetic group | 0.753 | -0.012 | 0.589 | -0.021 | |
IHA (µm) | Diabetic group | 0.107 | -0.078 | 0.674 | -0.020 |
Non-diabetic group | 0.449 | -0.029 | 0.534 | -0.024 | |
IHD (µm) | Diabetic group | 0.524 | -0.031 | 0.884 | -0.007 |
Non-diabetic group | 0.424 | 0.031 | 0.682 | -0.016 | |
PPImin | Diabetic group | 0.022 | 0.110 | 0.672 | 0.021 |
Non-diabetic group | 0.244 | -0.045 | 0.761 | -0.012 | |
PPIavg | Diabetic group | 0.243 | 0.056 | 0.784 | -0.013 |
Non-diabetic group | 0.135 | -0.058 | 0.996 | 0.000 | |
PPImax | Diabetic group | 0.469 | 0.035 | 0.605 | -0.025 |
Non-diabetic group | 0.462 | -0.028 | 0.690 | 0.015 | |
I-S value | Diabetic group | 0.088 | -0.082 | 0.016 | -0.117 |
Non-diabetic group | 0.636 | 0.018 | 0.790 | 0.010 | |
ARC (mm) | Diabetic group | 0.082 | -0.084 | 0.859 | -0.009 |
Non-diabetic group | 0.037 | -0.080 | 0.392 | -0.033 | |
PRC (mm) | Diabetic group | 0.018 | -0.114 | 0.933 | -0.004 |
Non-diabetic group | 0.544 | -0.023 | 0.425 | -0.031 | |