iNPH | iNPH-like conditions | P-value* | |||
---|---|---|---|---|---|
(n = 27) | (n = 22) | ||||
Pre-LP | Post-LP | Pre-LP | Post-LP | ||
Single task gait parameters | |||||
Walking speed (m/s) | 0.65 (0.37) | 0.78 (0.24) | 0.66 (0.46) | 0.68 (0.42) | |
Delta¶ (%) | +11.15 (22.28) | +4.23 (14.82) | 0.054 | ||
Stride time (s) | 1.21 (0.23) | 1.19 (0.19) | 1.22 (0.20) | 1.21 (0.24) | |
Delta¶ (%) | −4.09 (15.07) | +0.58 (8.34) | 0.278 | ||
Stride length (m) | 0.88 (0.40) | 0.93 (0.28) | 0.80 (0.43) | 0.80 (0.36) | |
Delta¶ (%) | +7.51 (18.67) | +0.20 (10.39) | 0.077 | ||
Step width (m) | 0.10 (0.09) | 0.10 (0.05) | 0.09 (0.05) | 0.10 (0.06) | |
Delta¶ (%) | −7.70 (34.12) | +3.54 (43.71) | 0.091 | ||
Step height (m) | 0.17 (0.06) | 0.20 (0.06) | 0.17 (0.08) | 0.18 (0.07) | |
Delta¶ (%) | +4.47 (11.21) | +1.36 (9.12) | 0.056 | ||
Stance duration** | 66.70 (3.43) | 66.22 (4.60) | 66.10 (7.00) | 66.41 (6.14) | |
Delta¶ (%) | −1.03 (6.69) | −0.32 (7.11) | 0.553 | ||
Cognitive component | |||||
Backward counting | 43.24 (36.82) | 52.44 (46.69) | 59.81 (42.31) | 63.72 (36.65) | |
Delta¶ (%) | +15.98 (30.56) | +4.75 (46.28) | 0.101 | ||
Dual task‡ gait parameters | |||||
Walking speed (m/s) | 0.54 (0.39) | 0.64 (0.36) | 0.46 (0.37) | 0.56 (0.32) | |
Delta¶ (%) | +12.20 (29.79) | +2.38 (32.50) | 0.044 | ||
Stride time (s) | 1.37 (0.30) | 1.26 (0.22) | 1.34 (0.39) | 1.32 (0.31) | |
Delta¶ (%) | −6.33 (16.03) | −1.17 (11.47) | 0.148 | ||
Stride length (m) | 0.76 (0.38) | 0.83 (0.40) | 0.67 (0.45) | 0.74 (0.38) | |
Delta¶ (%) | +7.82 (20.71) | −0.62 (19.22) | 0.030 | ||
Step width (m) | 0.12(0.08) | 0.11 (0.08) | 0.10 (0.08) | 0.09 (0.06) | |
Delta¶ (%) | −9.03 (20.75) | +0.28 (21.76) | 0.009 | ||
Step height (m) | 0.17 (0.07) | 0.18 (0.06) | 0.16 (0.07) | 0.17 (0.07) | |
Delta¶ (%) | +5.20 (10.55) | +0.40 (9.76) | 0.051 | ||
Stance duration** | 68.48 (4.86) | 67.16 (5.13) | 67.83 (7.72) | 68.74 (6.61) | |
Delta¶ (%) | −1.23 (4.03) | +0.49 (5.12) | 0.047 | ||
Cognitive component | |||||
Backward counting | 45.44 (36.60) | 47.44 (42.20) | 53.63 (39.23) | 61.37 (38.24) | |
Delta¶ (%) | +21.02 (53.02) | +0.60 (41.48) | 0.294 |