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Table 11 Means, standard deviations, correct percentages and skewness and kurtosis values of the gross motor area items

From: The GAIRS Checklist: a useful global assessment tool in patients with Rett syndrome

Gross motor area

Mean

Standard deviation

%

Skewness

Kurtosis

Standing

3.21

1.358

64.2

− .070

− 1.286

Sitting

3.37

1.376

67.4

− .222

− 1.270

Parachute reactions

2.74

1.169

54.8

.563

− .485

Rolling supine—on one side

2.67

1.035

53.4

.368

− .376

Rolling supine—prone

2.61

1.024

52.2

.330

− .363

Supine—to seated on the floor

2.80

2.184

56.0

6.974

61.201

Seated on the floor—to standing

2.55

.957

51.0

.313

− .072

Seated on a chair—to standing

2.59

.965

51.8

.221

− .162

Standing—to seated on the floor

2.52

.979

50.4

.305

− .168

Standing—to seated on a chair

2.56

.988

51.2

.215

− .262

Walking

3.09

1.288

61.8

.090

− 1.149

Body spatial orientation in standing

2.49

1.193

49.8

.606

− .362

Stepping

2.48

1.078

49.6

.572

− .255

Running

1.94

1.171

38.8

.890

− .359

Climbing upstairs

2.36

.969

47.2

.304

− .258

Descending stairs

2.38

.940

47.6

.356

− .069

Jumping

1.23

.664

24.6

3.289

13.242

Picking up an object from the ground (small ball)

1.31

.873

26.2

3.070

9.551

Playing with a ball

1.67

.911

33.4

1.527

2.802

Walking on a slope

2.34

1.085

46.8

.689

− .006

Total score

2.46

.88757

49.2

.505

.055