TABLE 4 |.
Characteristics of fingerstick blood glucose measures of hypoglycemia versus continuous glucose monitoring measures in Cohort 2 stratified by 8-h intervals.
| CGM hypoglycemia | ||||
|---|---|---|---|---|
|
|
||||
| Yes | No | |||
|
| ||||
| 10:00 p.m.–5:59 a.m. (N = 151) | ||||
| FBG Hypoglycemia | Yes | 2 | 1 | PPV 67% |
| No | 1 | 147 | NPV 99% | |
| Sensitivity 67% | Specificity 99% | Percent overall agreement 99% | ||
| 6:00 a.m.—1:59 p.m. (N = 327) | ||||
| FBG hypoglycemia | Yes | 2 | 2 | PPV 50% |
| No | 2 | 321 | NPV 99% | |
| Sensitivity 50% | Specificity 99% | Percent overall agreement 99% | ||
| 2:00 p.m.—9:59 p.m. (N = 341) | ||||
| FBG hypoglycemia | Yes | 0 | 0 | PPV 0% |
| No | 2 | 339 | NPV 99% | |
| Sensitivity 0% | Specificity 100% | Percent overall agreement 99% | ||
Abbreviations: CGM, continuous glucose monitoring; FBG, fingerstick blood glucose; N, number; NPV, negative predictive value; PPV, positive predictive value.