Table 3.
Correlation between blood glucose measurement indexes during first visit and all follow-up periods
| 2hr OGTT2 | 1hr OGTT2 | FBS3 | HbA1C2 | 2hr OGTT1 | 1hr OGTT1 | FBS2 | FBS1 | HbA1C1 | |
|---|---|---|---|---|---|---|---|---|---|
| HbA1C1 | 0.232* | 0.273* | 0.334 | 0.639 | 0.280* | 0.278* | 0.295 | 0.256* | 1 |
| FBS1 | 0.401 | 0.456 | 0.396 | 0.281 | 0.483 | 0.511 | 0.464 | 1 | |
| FBS2 | 0.524 | 0.556 | 0.536 | 0.383 | 0.517 | 0.595 | 1 | ||
| 1hr OGTT1 | 0.742 | 0.869 | 0.483 | 0.351 | 0.843 | 1 | |||
| 2hr OGTT1 | 0.792 | 0.756 | 0.449 | 0.315 | 1 | ||||
| HbA1C2 | 0.327 | 0.394 | 0.438 | 1 | |||||
| FBS3 | 0.273 | 0.582 | 1 | ||||||
| 1hr OGTT2 | 0.824 | 1 | |||||||
| 2hr OGTT2 | 1 |
HbA1C: hemoglobin A1C; FBS: fasting blood glucose; OGTT: glucose tolerance test
*
Numbers associated with values demonstrate time of measurements as followed: FBS1 measured at first trimester; FBS2 measured at 20-24 weeks of gestation, FBS3 measured at 24-28 weeks; OGTT1 measured at 20-24 weeks; OGTT2 measured at 24-28 weeks; HbA1C1 measured at first trimester; HbA1C2 measured at 20-24 weeks.