Table 5.
Surveillance Error Grid Zones
| Degree of risk | Absolute value | Color | No. of hypo glycemia | No. of hyperglycemia | Total | Hypoglycemia (%) | Hyperglycemia (%) | Total (%) |
|---|---|---|---|---|---|---|---|---|
| None | 0–0.5 | D. Green | 466 | 404 | 913 | 47.07 | 40.81 | 92.22 |
| Slight lower | >0.5–1.0 | L. Green | 34 | 25 | 59 | 3.43 | 2.53 | 5.96 |
| Slight higher | >1.0–1.5 | Yellow | 6 | 4 | 10 | 0.61 | 0.40 | 1.01 |
| Moderate lower | >1.5–2.0 | L. Orange | 5 | 3 | 8 | 0.51 | 0.30 | 0.81 |
| Moderate higher | >2.0–2.5 | D. Orange | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 |
| Great lower | >2.5–3.0 | L. Red | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 |
| Great higher | >3.0–3.5 | D. Red | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 |
| Extreme | >3.5 | Brown | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 |
Degree of clinical risk for hypo/hyperglycemia as a result of measurement error is coded on a scale from 0 to 4 with 0 being no risk and 4 being extreme risk.