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Table 1 Descriptive statistics of continuous variables

From: The association between the day of the week of milestones in the care pathway of patients with hip fracture and 30-day mortality: findings from a prospective national registry – The National Hip Fracture Database of England and Wales

Variable

Sex

 

N

Mean

(SD)

[25th,

50th,

75th]

Time to surgery (hours)

Male

Alive @ 30 days

58,203

35.1

(36.9)

[18.6,

24.3,

41.3]

Length of stay (days)

58,203

24.0

(23.5)

[10.1,

16.7,

29.8]

Age at event (years)

58,203

81.0

(8.6)

[76.0,

82.0,

87.0]

AMTS pre-op

48,750

7.5

(3.4)

[6.0,

9.0,

10.0]

Time to surgery (hours)

Dead @ 30 days

6608

37.4

(37.4)

[18.9,

25.8,

43.1]

Length of stay (days)

6608

12.2

(8.0)

[5.8,

10.8,

17.4]

Age at event (years)

6608

85.1

(7.6)

[81.0,

86.0,

90.0]

AMTS pre-op

5380

5.7

(3.9)

[1.0,

7.0,

10.0]

Time to surgery (hours)

Female

Alive @ 30 days

165,927

32.0

(31.6)

[18.0,

23.5,

37.5]

Length of stay (days)

165,927

21.9

(116.0)

[9.6,

15.0,

26.0]

Age at event (years)

165,927

83.0

(8.3)

[78.0,

84.0,

89.0]

AMTS pre-op

139,644

7.0

(3.6)

[5.0,

9.0,

10.0]

Time to surgery (hours)

Dead @ 30 days

10,708

34.9

(32.6)

[18.6,

25.0,

41.9]

Length of stay (days)

10,708

11.9

(8.4)

[5.1,

10.2,

17.6]

Age at event (years)

10,708

87.1

(7.5)

[83.0,

88.0,

92.0]

AMTS pre-op

8675

5.2

(3.9)

[1.0,

6.0,

9.0]

Time to surgery (hours)

All

Alive @ 30 days

224,130

32.8

(33.1)

[18.2,

23.8,

38.7]

Length of stay (days)

224,130

22.5

(100.5)

[9.8,

15.3,

27.0]

Age at event (years)

224,130

82.5

(8.4)

[77.0,

84.0,

89.0]

AMTS pre-op

188,394

7.2

(3.6)

[5.0,

9.0,

10.0]

Time to surgery (hours)

Dead @ 30 days

17,316

35.9

(34.5)

[18.7,

25.2,

42.4]

Length of stay (days)

17,316

12.0

(8.3)

[5.3,

10.4,

17.5]

Age at event (years)

17,316

86.3

(7.6)

[82.0,

87.0,

92.0]

AMTS pre-op

14,055

5.4

(3.9)

[1.0,

6.0,

9.0]

  1. AMTS Abbreviated Mental Test Score