Results of wearable sensor estimation of glucose and glucose variability RF-LOOCV models
| Metric | Abbreviation | Mean±SD | RMSE (mean±SD) | MAPE (mean±SD) |
| Glucose Management Indicator | GMI | 6.05±0.24 | 0.26±0.13 | 4.31±2.14% |
| Interday Mean Glucose | Mean | 114.46±9.98 mg/dL | 11.04±5.34 mg/dL | 9.76±4.99% |
| Interday Median Glucose | Median | 111.69±9.65 mg/dL | 7.92±6.19 mg/dL | 7.13±5.63% |
| Interday SD | SD | 20.26±4.27 mg/dL | 4.48±2.89 mg/dL | 22.68±14.92% |
| Interday Coefficient of Variation | CV | 17.65±3.15% | 3.26±2.3% | 18.46±12.30% |
| Time Outside Range ±1 SD | TOR | 2978.13±575.27 min | 453.13±321.51 min | 15.29±11.59% |
| Time Inside Range ±1 SD | TIR | 8548.75±1079.58 min | 763.36±644.92 min | 9.37±8.93% |
| Interday Minimum Glucose | Minimum | 63.25±14.44 mg/dL | 17.12±8.24 mg/dL | 29.69±19.18% |
| Interday Maximum Glucose | Maximum | 201.44±26.73 mg/dL | 28.90±16.02 mg/dL | 14.53±8.28% |
| Interday Quartile 1 Glucose | Q1G | 101.31±8.34 mg/dL | 6.81±4.90 mg/dL | 6.79±5.06% |
| Interday Quartile 3 Glucose | Q3G | 123.19±11.27 mg/dL | 12.01±5.99 mg/dL | 9.92±5.37% |
| Mean of Glucose Excursions | MGE | 122.40±13.56 mg/dL | 11.95±6.02 mg/dL | 9.91±5.27% |
| Mean of Intraday SD | iSD Mean | 44.62±3.73 mg/dL | 2.82±3.12 mg/dL | 6.75±9.08% |
| SD of Intraday SD | iSD SD | 29.89±1.80 mg/dL | 1.70±1.08 mg/dL | 5.78±3.79% |
| Median of Intraday SD | iSD Median | 29.06±5.38 mg/dL | 4.16±3.92 mg/dL | 16.35±20.58% |
| Mean of Intraday Coefficient of Variation | iCV Mean | 15.97±2.86 mg/dL | 2.99±2.14% | 19.14±14.00% |
| SD of Intraday Coefficient of Variation | iCV SD | 4.04±1.38 mg/dL | 1.04±0.98% | 27.78±27.45% |
| Median of Intraday Coefficient of Variation | iCV Median | 15.66±2.90 mg/dL | 3.07±2.03% | 20.24±13.58% |
| J-index | J-index | 18.32±3.47 n.u. | 3.76±1.98 n.u. | 21.60±13.05% |
| Mean of Daily Differences | MODD | 18.43±3.57 mg/dL | 2.66±2.27 mg/dL | 14.89±13.00% |
| Per cent Outside Range ±1 SD | POR | 25.78±3.19% | 3.06±2.23% | 12.38±10.55% |
| Per cent Inside Range ±1 SD | PIR | 74.22±3.19% | 3.07±2.24% | 4.14±2.97% |
| Average Daily Risk Range | ADRR | 11.81±3.26 n.u. | 2.90±2.62 n.u. | 26.66±26.52% |
| Continuous overall net glycemic action for 24 hours | CONGA24 | 9.69±2.58 n.u. | 2.29±2.09 n.u. | 23.02±16.34% |
| Mean of Normal Glucose | MGN | 111.92±9.53 mg/dL | 10.15±6.65 mg/dL | 9.22±6.26% |
| Low Blood Glucose Index | LBGI | 0.58±0.55 n.u. | 0.40±0.41 n.u. | 162.79±216.70% |
| High Blood Glucose Index | HBGI | 0.69±0.50 n.u. | 0.46±0.23 n.u. | 143.79±153.24% |
LOOCV, leave-one-person-out cross-validation; MAPE, mean average per cent error; RMSE, root mean squared error.