The effect of treatment (n = 8).

Abbreviations: B = Baseline; A = Amantadine arm; P = Placebo arm;UPDRS = Unified Parkinson's Disease Rating Scale score; UPDRS 14 = UPDRS item 14 freezing; UPDRS 15 = UPDRS item 15 gait; FOGQ = Freezing of gait questionnaire score.B (baseline) data and 10×4 m walking test are single measured results.Data of A and P are 6 repeated data before and 1 hr after injection (refer to figure 2).*P†Friedman test.‡Wilcoxon signed rank sum test for A vs. P.§Repeated measures ANOVA for total 12 repeated measures of A and P; 6 repeated measures for each arm.∥Repeated measures ANOVA only for data at 1 hrs after injection (total 6 repeated measures of A and P, 3 repeated measures for each arm).