Table 2.
Comparison between groups on WAIS-IV and WMS-IV.
| Cognitive function | Baseline | Endpoint | ||||||
|---|---|---|---|---|---|---|---|---|
| Probiotic | Placebo | Z | P | Probiotic | Placebo | Z | P | |
| WAIS-IV | ||||||||
| VCI | 91.37 (15.41) | 90.97 (15.61) | −0.065 | 0.948 | 92.57 (15.03) | 92.14 (15.23) | −0.047 | 0.962 |
| PRI | 84.11 (16.25) | 85.03 (16.25) | −0.27 | 0.787 | 85.46 (15.83) | 85.29 (16.22) | −0.024 | 0.981 |
| PSI | 84.60 (15.77) | 82.17 (15.85) | −0.565 | 0.572 | 93.77 (15.83) | 83.29 (15.91) | −2.716 | 0.007 |
| WMI | 84.26 (15.13) | 85.80 (16.67) | −0.406 | 0.685 | 95.23 (15.48) | 86.57 (17.08) | −2.105 | 0.035 |
| FSIQ | 86.09 (10.30) | 85.99 (10.71) | −0.012 | 0.991 | 91.76 (9.21) | 86.82 (10.54) | −1.915 | 0.049 |
| WMS-IV | ||||||||
| AMI | 83.03 (16.19) | 83.29 (16.07) | −0.194 | 0.846 | 92.91 (17.19) | 83.57 (16.01) | −2.165 | 0.03 |
| VMI | 87.31 (15.56) | 85.20 (18.05) | −0.6 | 0.549 | 95.54 (15.36) | 87.17 (18.25) | −2.016 | 0.044 |
| VWMI | 82.80 (17.34) | 82.94 (17.30) | −0.1 | 0.92 | 85.09 (18.04) | 83.49 (17.69) | −0.388 | 0.698 |
| IMI | 85.14 (15.14) | 84.66 (15.73) | −0.147 | 0.883 | 94.11 (16.15) | 86.17 (15.20) | −2.454 | 0.014 |
| DMI | 85.11 (15.52) | 84.11 (15.05) | −0.076 | 0.939 | 94.11 (16.53) | 86.14 (15.71) | −2.194 | 0.028 |
The WAIS-IV and WMS-IV scores are presented in corresponding age-adjusted scaled scores (index scores M = 100, SD = 15). “Z” indicates Mann Whitney U test. Bonferroni correction was applied to determine statistical significance.