Table 2. Paired t-tests by cognitive test per group.
| Sufficient 25 (OH)D group N=29 |
Deficient 25 (OH)D group N=31 |
|||||
|---|---|---|---|---|---|---|
| Mean (±sd) | 95% (CI) | P value | Mean (±sd) | 95% (CI) | P value | |
| STROOP (Baseline) | 3.66 (±7.86) | (−7.21, 2.4) | 0.06 | 5.6 (9.2) | (−16.55, 2.6) | 0.56 |
| STROOP (3 months) | 7.1 (±8.95) | 6.6 (11.5) | ||||
| SDMT (Baseline) | 59.4 (±13.2) | (−4.51, 2.43) | 0.53 | 53.0 (16.9) | (−12.3, 12.8) | 0.11 |
| SDMT (3 months) | 58.4 (±14.6) | 50.2 (12.3) | ||||
| BVMT Trial 1 (Baseline) | 5.3 (±3.2) | (−2.30, −2.4) | 0.02 | 4.7 (3.0) | (−1.77, −1.6) | 0.02 |
| BVMT Trial 1 (3 months) | 6.6 (±2.6) | 5.7 (3.2) | ||||
| BVMT Trial 2 (Baseline) | 7.8 (±3.4) | (−2.18, −0.5) | 0.003 | 7.0 (3.8) | (−1.91, 0.10) | 0.08 |
| BVMT Trial 2 (3 months) | 9.2 (±2.3) | 7.9 (3.8) | ||||
| BVMT Trial 3 (Baseline) | 9.0 (±3.4) | (−1.5, 0.05) | 0.07 | 7.7 (4.1) | (−2.17, −3.4) | 0.009 |
| BVMT Trial 3 (3 months) | 9.7 (±2.3) | 8.9 (3.5) | ||||
| BVMT-Trials Composite Score (Baseline) | 22.10 (± 9.28) | (−5.52, −1.23) | 0.003 | 19.41 (±10.12) | (−5.17, −1.08) | 0.004 |
| BVMT-Trials Composite Score (3 months) | 25.48 (±6.6) | 22.54 (± 9.75) | ||||
| BVMT Delayed Recall (Baseline) | 9.4 (±3.0) | (−1.07, 0.10) | 0.11 | 7.5 (3.8) | (−1.84, 0.16) | 0.02 |
| BVMT Delayed Recall (3 months) | 9.9 (±2.6) | 8.5 (3.8) | ||||
| MOCA (Baseline) | 26.1 (±2.9) | (−1.47, 0.98) | 0.08 | 24.5 (3.8) | (−2.7, −5.10) | 0.006 |
| MOCA (3 months) | 26.8 (±2.8) | 26.1 (3.8) | ||||
MoCA = Montreal Cognitive Assessment; SDMT = Symbol Digit Modalities Test; BVMT-R = Brief Visuospatial Memory test. CI = Confidence Interval.