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Table 6 Reversion rate to normal cognition as measured using the CDR-GS score after 24 weeks of intervention

From: Efficacy and safety of Kami-guibi-tang for mild cognitive impairment: a pilot, randomized, double-blind, placebo-controlled trial

CDR

KGT group (n = 16)

Placebo group (n = 14)

p-value‡

Reversion to normal

(CDR of 0.5 points → 0 points)

5 (31.25%)

2 (14.29%)

0.399

Stable MCI

(CDR of 0.5 points)

11 (68.75%)

12 (85.71%)

Conversion to dementia

(CDR of 0.5 points → ≥1 point)

0 (0%)

0 (0%)

  1. CDR-GS, Clinical Dementia Rating-Global Score; KGT, Kami-guibi-tang; MCI, Mild cognitive impairment
  2. Values are presented as numbers (%)
  3. ‡p-value for the between-group comparison using Fisher’s exact test