Table 2.
Standard summary metrics of CGM data across pregnancy comparing RT-CGM group to SMBG control group (A), pump to MDI (B), and LGA to non-LGA (C)
| A: RT-CGM group to SMBG control group | Baseline | 24 weeks | 34 weeks | |||
|---|---|---|---|---|---|---|
| CGM | SMBG | CGM | SMBG | CGM | SMBG | |
| Number | 100 | 100 | 89 | 90 | 77 | 76 |
| Glucose, mmol/L | 7.3 ± 1.2 | 7.6 ± 1.1 | 7.6 ± 1.2 | 7.8 ± 1.3 | 6.7 ± 0.9 | 7.0 ± 1.1 |
| 0001–0600 h glucose, mmol/L | 6.7 ± 1.5 | 7.1 ± 1.4 | 7.2 ± 1.4 | 7.0 ± 1.4 | 6.2 ± 1.0 | 6.3 ± 1.2 |
| 0601–0000 h glucose, mmol/L | 7.5 ± 1.3 | 7.8 ± 1.2 | 7.7 ± 1.3 | 8.1 ± 1.4 | 7.0 ± 1.0 | 7.3 ± 1.2 |
| Percentage of time 3.5–7.8 mmol/L | 51.7 ± 13.0 | 51.5 ± 13.7 | 53.0 ± 15.5 | 49.8 ± 15.0 | 67.6 ± 12.6 | 61.3 ± 15.5 |
| Percentage of time below 3.5 mmol/L | 10.0 ± 7.7 | 7.8 ± 6.4 | 4.8 ± 4.8 | 5.5 ± 5.7 | 4.6 ± 4.9 | 5.7 ± 5.2 |
| Percentage of time above 7.8 mmol/L | 38.4 ± 14.9 | 40.6 ± 13.8 | 42.3 ± 17.6 | 44.7 ± 16.0 | 27.9 ± 13.4 | 33.1 ± 15.0 |
| Individual SD | 3.1 ± 0.8 | 3.2 ± 0.8 | 2.7 ± 0.6 | 2.9 ± 0.7 | 2.2 ± 0.5 | 2.5 ± 0.7 |
| Individual CV, % | 42.2 ± 8.7 | 42.4 ± 8.1 | 35.6 ± 5.9 | 36.9 ± 7.2 | 32.5 ± 5.8 | 34.9 ± 7.6 |
| B: Pump to MDI | Baseline | 24 weeks | 34 weeks | |||
|---|---|---|---|---|---|---|
| Pump | MDI | Pump | MDI | Pump | MDI | |
| Number | 90 | 110 | 81 | 98 | 71 | 82 |
| Glucose, mmol/L | 7.4 ± 1.2 | 7.5 ± 1.1 | 7.9 ± 1.3 | 7.5 ± 1.1 | 6.9 ± 0.9 | 6.8 ± 1.1 |
| 0001–0600 h glucose, mmol/L | 7.6 ± 1.3 | 7.8 ± 1.2 | 7.4 ± 1.4 | 6.9 ± 1.4 | 6.3 ± 1.1 | 6.2 ± 1.1 |
| 0601–0000 h glucose, mmol/L | 6.9 ± 1.6 | 6.9 ± 1.4 | 8.1 ± 1.4 | 7.7 ± 1.3 | 7.1 ± 1.0 | 7.1 ± 1.2 |
| Percentage of time 3.5–7.8 mmol/L | 53.6 ± 13.4 | 50.0 ± 13.1 | 48.8 ± 16.5 | 53.6 ± 13.9 | 64.1 ± 13.3 | 64.8 ± 15.4 |
| Percentage of time below 3.5 mmol/L | 8.1 ± 6.3 | 9.5 ± 7.8 | 4.5 ± 4.5 | 5.7 ± 5.7 | 5.0 ± 5.2 | 5.2 ± 4.9 |
| Percentage of time above 7.8 mmol/L | 38.3 ± 15.2 | 40.4 ± 13.6 | 46.7 ± 17.8 | 40.8 ± 15.5 | 31.0 ± 14.2 | 30.0 ± 14.7 |
| Individual SD | 3.1 ± 0.8 | 3.2 ± 0.8 | 2.8 ± 0.7 | 2.8 ± 0.7 | 2.3 ± 0.6 | 2.3 ± 0.7 |
| Individual CV, % | 41.3 ± 7.3 | 43.1 ± 9.1 | 35.6 ± 6.7 | 36.7 ± 6.5 | 33.7 ± 6.8 | 33.7 ± 6.8 |
| C: LGA to non-LGA | Baseline | 24 weeks | 34 weeks | |||
|---|---|---|---|---|---|---|
| LGA | Non-LGA | LGA | Non-LGA | LGA | Non-LGA | |
| Number | 122 | 78 | 111 | 68 | 96 | 57 |
| Glucose, mmol/L | 7.6 ± 1.2 | 7.3 ± 1.2 | 7.9 ± 1.2 | 7.3 ± 1.2 | 7.0 ± 1.1 | 6.6 ± 0.8 |
| 0001–0600 h glucose, mmol/L | 7.0 ± 1.4 | 6.8 ± 1.6 | 7.3 ± 1.4 | 6.9 ± 1.4 | 7.3 ± 1.2 | 6.8 ± 0.9 |
| 0601–0000 h glucose, mmol/L | 7.8 ± 1.3 | 7.5 ± 1.2 | 8.1 ± 1.3 | 7.5 ± 1.3 | 6.4 ± 1.1 | 6.1 ± 1.0 |
| Percentage of time 3.5–7.8 mmol/L | 49.6 ± 13.8 | 54.7 ± 13.6 | 48.2 ± 14.9 | 56.6 ± 14.4 | 62.6 ± 11.8 | 67.6 ± 11.8 |
| Percentage of time below 3.5 mmol/L | 9.2 ± 7.0 | 8.4 ± 7.5 | 5.0 ± 15.3 | 5.4 ± 5.1 | 4.5 ± 4.6 | 6.2 ± 5.6 |
| Percentage of time above 7.8 mmol/L | 41.2 ± 14.4 | 36.8 ± 14.0 | 46.9 ± 16.3 | 38.0 ± 16.2 | 33.0 ± 15.3 | 26.2 ± 11.7 |
| Individual SD | 3.3 ± 0.8 | 3.0 ± 0.9 | 2.9 ± 0.6 | 2.6 ± 0.7 | 2.4 ± 0.7 | 2.2 ± 0.5 |
| Individual CV, % | 43.3 ± 8.5 | 41.1 ± 8.1 | 36.6 ± 6.8 | 35.5 ± 6.3 | 33.6 ± 7.2 | 33.8 ± 6.2 |
Data are expressed as means (SD). Boldface type indicates P < 0.05 in a t test comparing the difference.