Table 1: Demographic and metabolic characteristics of study subjects by Q-score categories.
| Characteristics | Q-score category | P value | |||
|---|---|---|---|---|---|
| Good ≤ 5.9 | Fair 6.0-8.4 | Satisfactory 8.5-11.9 | Poor ≥ 12.0 | ||
| Study subjects (n) | 83 | 63 | 59 | 51 | |
| Sex (male/female) | 49/34 | 32/31 | 32/27 | 22/29 | 0.34 |
| Age (years) | 66.0 (59.0-70) | 66.0 (57.3-69.8) | 61.0 (54.8-68.0)* | 59.0 (46.0-67.0)* | 0.023 |
| Diabetes duration (years) | 5.9 (2.0-10.0) | 8.0 (3.8-12.3) | 8.0 (5.8-15.0)* | 12.0 (7.0-19.0)* | < 0.001 |
| Body mass index (kg/m2) | 29.4 (26.5-32.1) | 30.1 (27.8-32.3) | 30.8 (28.1-35.8) | 30.0 (25.5-34.3) | 0.25 |
| Hemoglobin A1c (%) | 6.3 (5.7-6.9) | 6.5 (5.8-7.1) | 7.2 (6.5-7.6)*† | 7.8 (7.1-8.7)*† | < 0.001 |
| (mmol/mol) | 42 (39-52) | 48 (40-54) | 55 (48-60) | 62 (54-72) | |
| Mean glucose (mmol/L) | 6.5 (6.0-7.0) | 7.3 (6.8-8.0)* | 8.6 (7.7-9.3)*† | 10.8 (8.7-12.7)*† | < 0.001 |
| %CV | 15.4 (13.0-18.6) | 22.3 (18.9-26.5)* | 26.1 (19.7-32.4)*† | 27.4 (20.8-37.7)*† | < 0.001 |
Data are median (25th-75th percentile) values or numbers n. The groups were compared using Analysis of Variance (ANOVA), the Kruskal-Wallis one way analysis and Holm-Sidak or Dunn's test, where appropriate. *P < 0.05 vs. ≤ 5.9; †P < 0.05 vs. the two lowest categories.