Table 1 The distribution of all observational characteristics of unmatched and propensity score-matched patients.

From: Investigating the rate of skeletal muscle atrophy in men and women in the intensive care unit: a prospective observational study

Characteristics

 

Before PS match

After PS match

All patients

Women

Men

 

Women

Men

 

Mean±SD

Mean±SD

Mean±SD

P value

Mean±SD

Ｍean±SD

P value

Admission (days)

18.28±20.0

17.62±16.9

18.57±21.2

0.154

18.8±17.7

21.5±23.4

0.089

Age (years)

62.6±17.6

67.6±16.9

60.5±17.4

<0.001

65.9±16.9

65.6±13.3

0.964

Height (cm)

162.4±8.8

164.2±8.8

161.7±8.7

<0.001

163.9±8.8

162.8±9.7

0.11

Weight (kg)

65.7±14.7

68.2±16.1

64.5±13.9

<0.001

69.6±15.8

68.0±17.0

0.191

BMI (kg/cm2)

24.9±4.7

25.7±4.7

24.5±4.6

<0.001

25.7±4.7

25.4±5.0

0.4

Initial RF (cm)

12.8±4.1

10.9±4.0

13.6±3.8

<0.001

11.4±3.9

11.7±3.0

0.177

Initial VI (cm)

13.4±5.7

11.0±5.4

14.5±5.5

<0.001

11.4±5.5

11.9±4.7

0.178

Disease type

All patients

Women

Men

 

Women

Men

 

Percentage

Percentage

Percentage

P value

Percentage

Percentage

P value

CNS

46.2%

44.9%

46.7%

0.526

46.6%

45.4%

0.762

Infection

13.6%

16.4%

12.4%

0.047

16.0%

17.4%

0.612

Thoracic

10.0%

7.8%

10.9%

0.079

8.0%

5.4%

0.174

CV

7.1%

7.4%

6.9%

0.774

8.9%

8.3%

0.787

Initial loss of conscious

40.0%

40.1%

39.9%

0.937

47.1%

41.7%

0.148

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