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Table 1 Descriptive statistics of LGMD and DMD groups. LGMD: limb girdle muscular dystrophy; DMD: Duchenne muscular dystrophy; MFM: Motor Function Measure; TIME: timed immersion mouth expiration; TINE: timed immersion nose expiration; FVC sitting: percentual forced vital capacity on sitting position; FVC supine: percentual forced vital capacity on supine position; PEF sitting: peak expiratory flow on sitting position (mL/min); PEF supine: peak expiratory flow on supine position (L/min)

From: Timed immersion expiration measures in patients with muscular dystrophies

Variable

Group

Mean

Minimum

Lower quartile

Median

Upper quartile

Maximum

Standard deviation

Standard Error

P-value (T test)

Age (years)

LGMD

25.87

12.00

15.00

28.00

33.00

35.00

7.15

1.79

0.053

DMD

22.13

12.00

16.00

16.00

29.00

35.00

6.21

0.97

Vignos (score)

LGMD

5.56

1.00

4.00

6.00

7.00

8.00

2.12

0.53

0.539

DMD

6.37

2.00

7.00

7.00

8.00

8.00

1.89

0.30

MFM (score)

LGMD

60.81

19.00

51.00

64.00

74.50

90.00

18.56

4.64

0.661

DMD

52.24

21.00

40.00

51.00

68.00

85.00

17.15

2.68

TIME (seconds)

LGMD

29.56

11.00

17.50

31.00

38.50

59.00

13.16

3.29

0.713

DMD

25.10

5.00

17.00

22.00

30.00

60.00

12.34

1.93

TINE (seconds)

LGMD

20.81

4.00

13.00

20.50

28.50

40.00

9.86

2.47

0.263

DMD

18.02

5.00

11.00

13.00

20.00

61.00

12.89

2.01

FVC sitting

LGMD

77.87

20.00

62.00

88.00

97.50

109.00

26.12

6.53

0.706

DMD

70.95

18.00

48.00

75.00

99.00

114.00

28.79

4.50

FVC supine

LGMD

73.50

14.00

59.00

82.50

93.00

96.00

23.12

5.78

0.274

DMD

66.54

14.00

41.00

68.00

94.00

112.00

30.03

4.69

PEF sitting

LGMD

356.87

130.00

260.00

380.00

405.00

600.00

137.68

34.42

0.084

DMD

260.00

50.00

210.00

250.00

300.00

540.00

97.62

15.25

PEF supine

LGMD

296.25

120.00

200.00

350.00

370.00

510.00

117.52

29.38

0.145

DMD

236.59

40.00

200.00

220.00

270.00

480.00

91.61

14.31