Table 2 Marginal means for cognitive scores at 12 years of follow-up stratified by age group and diabetes status as baseline and 5-year and 12-year follow-up
Speed | Memory | Verbal | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Baseline | 5 years | 12 years | Baseline | 5 years | 12 years | Baseline | 5 years | 12 years | ||||||||||
Glucose tolerance status | Mean (SE) | N | Mean (SE) | N | Mean (SE) | N | Mean (SE) | N | Mean (SE) | N | Mean (SE) | N | Mean (SE) | N | Mean (SE) | N | Mean (SE) | N |
25–59 years | ||||||||||||||||||
NGT | 52.39 (0.20) | 2982 | 52.09 (0.23) | 2506 | 51.99 (0.25) | 2699 | 6.75 (0.05) | 2962 | 5.23 (0.17) | 2492 | 6.73 (0.61) | 2686 | 50.06 (0.12) | 2943 | 50.09 (0.14) | 2480 | 50.09 (0.15) | 2675 |
IFG | 51.71 (0.64) | 192 | 51.86 (0.81) | 121 | 52.06 (0.67) | 184 | 6.84 (0.16) | 194 | 5.50 (0.36) | 121 | 7.04 (0.17) | 182 | 49.57 (0.39) | 189 | 49.67 (0.50) | 120 | 50.0 (0.41) | 179 |
IGT | 53.29 (0.54) | 287 | 52.19 (0.68) | 177 | 52.64 (0.53) | 309 | 6.52 (0.13) | 287 | 4.78 (0.27) | 178 | 6.76 (0.13) | 307 | 50.12 (0.33) | 283 | 50.44 (0.42) | 174 | 49.89 (0.33) | 300 |
New diabetes mellitus | 50.51 (1.04) | 73 | 51.52 (1.12) | 61 | 51.62 (0.70) | 173 | 6.56 (0.26) | 71 | 5.00 (0.43)* | 61 | 6.34 (0.17) | 171 | 50.44 (0.65) | 68 | 50.64 (0.70) | 58 | 49.59 (0.43) | 171 |
Known diabetes mellitus | 49.17 (1.09) | 66 | 36.82 (0.92) | 95 | 49.49 (0.88) | 105 | 6.29 (0.28) | 65 | 4.97 (0.33) | 95 | 6.38 (0.22) | 104 | 49.40 (0.67) | 64 | 48.81 (0.57) | 92 | 49.55 (0.55) | 99 |
60–85 years | ||||||||||||||||||
NGT | 38.81 (0.67) | 584 | 37.24 (0.78) | 458 | 39.36 (0.85) | 433 | 5.27 (0.14) | 512 | 6.78 (0.06) | 467 | 5.06 (0.18) | 441 | 50.09 (0.14) | 491 | 51.22 (0.57) | 447 | 51.78 (0.64) | 416 |
IFG | 38.60 (1.47) | 52 | 38.98 (1.64) | 45 | 36.44 (1.90) | 37 | 5.40 (0.31) | 54 | 6.80 (0.20) | 45 | 4.46 (0.37) | 40 | 49.07 (0.50) | 46 | 49.12 (1.23) | 42 | 48.92 (1.31) | 39 |
IGT | 37.26 (1.03) | 127 | 37.24 (1.22) | 97 | 36.36 (1.18) | 111 | 4.95 (0.22) | 127 | 6.47 (0.17) | 48 | 4.97 (0.25) | 113 | 50.44 (0.42) | 120 | 51.35 (0.92) | 85 | 51.23 (0.90) | 107 |
New diabetes mellitus | 35.15 (1.63) | 42 | 38.98 (2.01) | 27 | 37.18 (1.38) | 71 | 5.09 (0.35) | 43 | 6.20 (0.28) | 27 | 5.12 (0.30) | 70 | 50.64 (0.70) | 40 | 52.09 (1.45) | 27 | 51.67 (1.06) | 66 |
Known diabetes mellitus | 35.10 (1.61) | 41 | 36.82 (1.51) | 27 | 34.76 (1.44) | 63 | 4.56 (0.36) | 39 | 6.33 (0.23) | 51 | 4.51 (0.31) | 63 | 49.59 (0.57) | 40 | 48.59 (1.11) | 52 | 49.70 (1.09) | 61 |