Table 2.
Carbohydrate exchange unit (CU) and the protein–fat exchange unit (PFU) counting by the dietician and the VoiceDiab system.
| Meal | N | Carbohydrate Exchange Units (CU) | Protein-Fat Exchange Units (PFU) | ||||
|---|---|---|---|---|---|---|---|
| Dietician Mean ± SD Min–Max |
System Mean ± SD Min–Max |
p | Dietician Mean ± SD Min–Max |
System Mean ± SD Min–Max |
p | ||
| Breakfast | 110 | 3.8 ± 0.8 2.2–6.0 |
4.1 ± 0.9 2.4–6.5 |
<0.0001 | 2.3 ± 0.6 0.7–3.7 |
2.2 ± 0.6 0.6–3.4 |
<0.0001 |
| Morning snack | 81 | 1.1 ± 0.4 0.5–3.1 |
1.1 ± 0.5 0.5–3.2 |
0.01 | 0.4 ± 0.3 0.0–1.9 |
0.4 ± 0.2 0.0–1.1 |
0.01 |
| Lunch | 130 | 5.5 ± 1.0 2.3–9.1 |
5.5 ± 1.0 2.9–8.0 |
0.78 | 2.8 ± 0.8 1.2–5.1 |
2.3 ± 0.8 0.7–5.2 |
<0.0001 |
| Afternoon snack | 100 | 1.2 ± 0.4 1.0–2.6 |
1.3 ± 0.4 0.9–2.5 |
<0.0001 | 0.05 ± 0.14 0.0–0.5 |
0.05 ± 0.13 0.0–0.6 |
0.28 |
| Supper | 114 | 3.9 ± 0.9 2.3–6.7 |
4.2 ± 0.9 2.7–6.5 |
<0.0001 | 2.5 ± 0.6 0.8–4.4 |
2.3 ± 0.5 0.7–4.2 |
<0.0001 |