Research Article

Do Upper and Lower Camptocormias Affect Gait and Postural Control in Patients with Parkinson’s Disease? An Observational Cross-Sectional Study

Table 2

Multiple pairwise comparisons between the three groups for each outcome measure.

Spatiotemporal gait parametersCC UpperCC LowerPD Value
main effect

Pace domain
Gait speed (cm/s)96.27 (16.62)79.05 (20.74)108.55 (30.90)0.011
Stride length (cm)106.27 (15.36)83.61 (4.74)115.26 (21.93)<0.001
Step length (cm)53 (7.69)41.67 (8.81)57.42 (10.95)<0.001
Width of base support (cm)8.77 (3.04)9.71 (3.91)8.95 (3.07)0.725
Stride velocity (cm/s)97.05 (16.55)79.81 (20.91)109.66 (31.05)0.011

Rhythm domain
Cadence (step/min)109.04 (10.89)113.10 (15)111.94 (13.23)0.679
Step time (sec)0.55 (0.06)0.54 (0.07)0.54 (0.06)0.723
Swing time (sec)0.42 (0.04)0.38 (0.04)0.40 (0.03)0.149
Stance time (sec)0.69 (0.07)0.68 (0.11)0.68 (0.09)0.924
Single support time (sec)0.42 (0.04)0.38 (0.04)0.40 (0.03)0.149
Double support time (sec)0.28 (0.04)0.30 (0.10)0.28 (0.08)0.966

Phases
Swing % of gait cycle (%)37.48 (1.43)36.26 (3.22)37.31 (2.62)0.673
Stance % of gait cycle (%)62.52 (1.44)63.73 (3.22)62.70 (2.62)0.687
Single support % of cycle37.49 (1.41)36.25 (3.23)37.32 (2.61)0.643
Double support % of cycle25.07 (2.87)27.35 (6.51)25.36 (5.12)0.704

Asymmetry
Step length difference (cm)4.12 (2.65)2.97 (2.11)2.36 (1.51)0.072
Stance time difference (sec)0.01 (0.03)000.365

Coefficient of variability
Stride length, CV5.18 (1.96)5.83 (2.62)4.77 (2.11)0.479
HH base support, CV22.88 (12.79)22.97 (13.33)24.06 (11.11)0.957
Double support time, CV14.81 (11.08)13.24 (7.06)13.65 (7.92)0.995
Stride velocity, CV7.74 (2.89)9.24 (4.29)7.78 (2.95)0.674

CC denotes patients with Parkinson’s disease and camptocormia according to consensus-based diagnostic criteria [2]; PD, patients with Parkinson’s disease (without CC); significant if <0.05; values with and in bold are considered statistically significant.