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Table 1 Characteristics of patients surgically treated for non-pathological first hip fracture overall and by timing of mobilisation

From: Discharge after hip fracture surgery in relation to mobilisation timing by patient characteristics: linked secondary analysis of the UK National Hip Fracture Database

 

All

(N = 133,319)

n(%)

early mobilisation

(N = 105,651)

n(%)

delayed mobilisation

(N = 27,668)

n(%)

Age (years)

median [IQR] e] *

 

84 [77–89]

84 [77–89]

85 [79–90]

Sex*

Female

97,001 (72.8)

77,299 (79.7)

19,702 (20.3)

Male

36,316 (27.2)

28,351 (78.1)

7965 (21.9)

Missing

2 (0.0)

1 (50.0)

1 (50.0)

Ethnicity*

White

94,195 (70.7)

75,116 (79.7)

19,079 (20.3)

Caribbean or African (Black or Black British) or any mixed black background

221 (0.2)

145 (65.6)

76 (34.4)

Asian or Asian British or any mixed Asian background

1173 (0.9)

905 (77.2)

268 (22.8)

Any other Mixed background

24 (0.0)

18 (75.0)

6 (25.0)

Missing

37,706 (28.3)

29,467 (78.1)

8239 (21.9)

Deprivation*

Least deprived 10%

9874 (7.4)

7735 (78.3)

2139 (21.7)

Less deprived 10–20%

9742 (7.3)

7546 (77.5)

2196 (22.5)

Less deprived 20–30%

10,579 (7.9)

8205 (77.6)

2374 (22.4)

Less deprived 30–40%

11,379 (8.5)

8864 (77.9)

2515 (22.1)

Less deprived 40–50%

11,954 (9.0)

9416 (78.8)

2538 (21.2)

More deprived 40–50%

12,616 (9.5)

9940 (78.8)

2676 (21.2)

More deprived 30–40%

12,400 (9.3)

9821 (79.2)

2579 (20.8)

More deprived 20–30%

12,035 (9.0)

9610 (79.9)

2425 (20.1)

More deprived 10–20%

11,929 (8.9)

9591 (80.4)

2338 (19.6)

Most deprived 10%

11,307 (8.5)

9138 (80.8)

2169 (19.2)

Missing

19,504 (14.6)

15,785 (80.9)

3719 (19.1)

Prefracture ambulation*

Outdoor ambulation

100,983 (75.7)

82,919 (82.1)

18,064 (17.9)

Indoor ambulation only

30,834 (23.1)

21,663 (70.3)

9171 (29.7)

Missing

1502 (1.1)

1069 (71.2)

433 (28.8)

Fracture type*

Intracapsular

78,830 (59.1)

63,022 (79.9)

15,808 (20.1)

Intertrochanteric

46,566 (34.9)

36,745 (78.9)

9821 (21.1)

Subtrochanteric

7864 (5.9)

5836 (74.2)

2028 (25.8)

Missing

59 (0.0)

48 (81.4)

11 (18.6)

Surgery timing*

Within target time of 36 h

95,542 (71.7)

76,489 (80.1)

19,053 (19.9)

Not within target time

29,498 (22.1)

22,569 (76.5)

6929 (23.5)

Missing

8279 (6.2)

6593 (79.6)

1686 (20.4)

Procedure type*

Internal fixation

64,845 (48.6)

51,500 (79.4)

13,345 (20.6)

Hemiarthroplasty

57,539 (43.2)

44,514 (77.4)

13,025 (22.6)

Total Hip replacement

10,393 (7.8)

9238 (88.9)

1155 (11.1)

Missing/Other

542 (0.4)

399 (73.6)

143 (26.4)

Calendar year of surgery*

2014

31,205 (23.4)

24,373 (78.1)

6832 (21.9)

2015

53,448 (40.1)

42,734 (80.0)

10,714 (20.0)

2016

48,666 (36.5)

38,544 (79.2)

10,122 (20.8)

Weekday of admission*

Weekday

89,840 (67.4)

70,990 (79.0)

18,850 (21.0)

Weekend

41,357 (31.0)

33,156 (80.2)

8201 (19.8)

Missing

2122 (1.6)

1505 (70.9)

617 (29.1)

Hospital volume*c

High volume

68,323 (51.2)

53,967 (79.0)

14,356 (21.0)

Medium volume

31,553 (23.7)

25,448 (80.7)

6105 (19.3)

Low volume

33,443 (25.1)

26,236 (78.4)

7207 (21.6)

ASA grade*b

I

3101 (2.3)

2819 (90.9)

282 (9.1)

II

36,499 (27.4)

31,410 (86.1)

5089 (13.9)

III

73,694 (55.3)

57,483 (78.0)

16,211 (22.0)

IV

16,515 (12.4)

11,159 (67.6)

5356 (32.4)

V

275 (0.2)

162 (58.9)

113 (41.1)

Missing

3235 (2.4)

2618 (80.9)

617 (19.1)

Comorbidities*a

Heart failure or pulmonary oedema

12,753 (9.6)

9056 (71.0)

3697 (29.0)

Chronic obstructive pulmonary

17,107 (12.8)

12,957 (75.7)

4150 (24.3)

Ischemic heart (acute)

11,369 (8.5)

8538 (75.1)

2831 (24.9)

Cardiac dysrhythmias

26,319 (19.7)

19,721 (74.9)

6598 (25.1)

Ischemic heart (chronic)

19,836 (14.9)

14,933 (75.3)

4903 (24.7)

Hypertension

64,673 (48.5)

51,252 (79.2)

13,421 (20.8)

Hypotension

10,123 (7.6)

7298 (72.1)

2825 (27.9)

Diabetes with complication

1627 (1.2)

1221 (75.0)

406 (25.0)

Alzheimer’s or dementia

34,253 (25.7)

24,810 (72.4)

9443 (27.6)

Depression

9490 (7.1)

7318 (77.1)

2172 (22.9)

Delirium

9818 (7.4)

7072 (72.0)

2746 (28.0)

Admitted from location*

Own home/sheltered housing

107,144 (80.4)

87,365 (81.5)

19,779 (18.5)

Residential care

23,588 (17.7)

16,523 (70.0)

7065 (30.0)

Otherd

2567 (1.9)

1747 (68.1)

820 (31.9)

Missing

20 (0.0)

16 (80.0)

4 (20.0)

  1. * p ≤ 0.001
  2. a18,624 without comorbidity data. Comorbidities are identified by the presence of ICD-10 diagnosis codes from the hip fracture care spell, or any admissions in the year prior to the hip fracture care spell.
  3. bI – normal healthy individual; II – mild systemic disease that does not limit activity; III – severe systemic disease that limits activity but is not incapacitating; IV-incapacitating systemic disease which is constantly life-threatening; V-moribund -not expected to survive 24 h with or without surgery.
  4. clow (less than first quartile), medium (second and third quartile), or high (fourth quartile) volume at admission based on the average annual number of surgeries at the admitting hospital.
  5. dRehabilitation unit/acute hospital/already in hospital/this hospital site/other hospital site of this trust/other hospital trust.
  6. eIQR: the first and third quartiles respectively.
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BMC Geriatrics

ISSN: 1471-2318

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