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Table 2 Spatio-temporal and kinematic parameters of the study groups.

From: Gait patterns in Prader-Willi and Down syndrome patients

  PWS GROUP DS GROUP Control Group P-value (PWS vs. DS)
Spatio-temporal parameters     
%stance (% gait cycle) 63.88 (9.12)* + 60.95 (3.10) 59.45 (1.45) 0.0034
Anterior step length 0.33 (0.04)*+ 0.28 (0.04)* 0.88 (0.21) 0.0087
Cadence (step/min) 111.76 (9.12)+ 94.32 (11.24)* 111.80 (4.80) 0.0001
Velocity (1/s) 0.63 (0.10)*+ 0.45 (0.08)* 0.78 (0.06) 0.0002
Pelvis (°)     
Mean PT 20.86 (8.84)* 18.01 (4.84)* 6.53 (6.97) 0.0859
PO-ROM 8.46 (3.36)*+ 6.05 (2.12) 6.01 (2.53) 0.0003
PR-ROM 10.95 (3.61) 9.95 (2.69) 10.72 (5.32) 0.2803
Hip joint (°)     
HIC 45.88 (12.82)* + 33.74 (11.46)* 27.23 (9.57) 0.0001
HmSt 1.52 (10.66)* 1.32 (9.20)* -14.83 (9.60) 0.9242
HFE-ROM 45.37 (5.99)+ 32.42 (8.61)* 43.52 (4.76) 0.0001
HAA-ROM 16.89 (3.95)*+ 12.58 (4.21) 10.71 (3.06) 0.0001
Knee joint (°)     
KIC 8.42 (6.64)* + 2.54 (7.75) 4.06 (6.63) 0.0006
KmSt -2.58 (5.92) 0.41 (8.09) 0.12 (3.82) 0.0538
KMSw 53.25 (7.61)* + 41.06 (10.68)* 59.01 (6.18) 0.0001
KFE-ROM 55.83 (8.05)*+ 43.81 (11.34)* 60.28 (6.31) 0.0001
Ankle joint (°)     
AIC -3.15 (9.24)* -3.55 (4.88)* 1.81 (6.87) 0.4503
AMSt 14.80 (8.81)* + 11.47 (4.26)* 21.04 (5.16) 0.0303
AmSt -10.25 (8.79)+ -2.94 (3.91)* -8.74 (9.40) 0.0002
ADP-ROM 25.16 (3.38)+ 14.41 (3.77)* 27.72 (6.56) 0.0001
AMSw 13.77 (9.03)* + 6.15 (4.40) 8.63 (9.93) 0.0003
  1. Data are expressed as mean (standard deviation).
  2. += p < 0.05, PWS GROUP versus DS GROUP; *= p < 0.05 compared with Control Group.
  3. (ROM: Range Of Motion; PT: Pelvic Tilt; PO: Pelvic Obliquity; HIC: Hip at IC; HFE: Hip Flex-Extension; HAA: Hip Ab-Adduction; KIC: Knee at IC; KFE: Knee Flex-Extension; AIC: Ankle at IC; ADP: Ankle Dorsi-Plantarflexion; IC: Initial Contact; St: Stance; Sw: Swing; M: maximum value; m: minimum value)