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Table 2 Descriptive statistics of categorical 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

Level

Males

(%)

Females

(%)

Life status at 30 days

Alive/assumed alive

58,203

(89.8)

165,927

(93.9)

Dead

6608

(10.2)

10,708

(6.1)

Missing

0

(0.0)

0

(0.0)

Type of fracture

Intracapsular – displaced

32,113

(49.5)

84,782

(48.0)

Intracapsular – undisplaced

6471

(10.0)

17,597

(10.0)

Intertrochanteric

21,983

(33.9)

62,478

(35.4)

Subtrochanteric

3609

(5.6)

10,030

(5.7)

Other

635

(1.0)

1748

(1.0)

Missing

0

(0.0)

0

(0.0)

Admitted from

Hospital

3717

(5.7)

6102

(3.5)

Nursing/Rehab/Residential

11,064

(17.1)

37,397

(21.2)

Own home/sheltered housing

50,030

(77.2)

133,136

(75.4)

Missing

0

(0.0)

0

(0.0)

ASA grade

1

1249

(1.9)

3939

(2.2)

2

14,915

(23.0)

52,145

(29.5)

3

35,749

(55.2)

93,205

(52.8)

4

9632

(14.9)

18,445

(10.4)

5

230

(0.4)

427

(0.2)

Missing

3036

(4.7)

8474

(4.8)

Pathology

None

59,117

(91.2)

164,707

(93.2)

Malignancy/Yes

1573

(2.4)

1957

(1.1)

Atypical

358

(0.6)

1065

(0.6)

Missing

3763

(5.8)

8906

(5.0)

Pre-operative mobility

Walks without aids

28,042

(43.3)

80,270

(45.4)

Walks with aids

33,814

(52.2)

89,108

(50.4)

No functional mobility

1461

(2.3)

3359

(1.9)

Missing

1494

(2.3)

3898

(2.2)

Multidisciplinary rehabilitation team assessment

No

2690

(4.2)

6537

(3.7)

Yes

60,341

(93.1)

165,188

(93.5)

Missing

1780

(2.7)

4910

(2.8)

Specialist fall assessment

Yes

60,012

(92.6)

164,352

(93.0)

No falls assessment

4274

(6.6)

10,813

(6.1)

Missing

525

(0.8)

1470

(0.8)

Operation type

Bipolar hemi cemented

6206

(9.6)

15,770

(8.9)

Bipolar hemi uncemented

1797

(2.8)

4399

(2.5)

THR cemented

2513

(3.9)

7822

(4.4)

THR uncemented

793

(1.2)

2180

(1.2)

Unipolar hemi cemented

16,976

(26.2)

44,773

(25.3)

Unipolar hemi uncemented

4846

(7.5)

12,470

(7.1)

Internal fix: cannulated screw/screw

2748

(4.2)

7896

(4.5)

Internal fix: IM nail

5949

(9.2)

16,043

(9.1)

Internal fix: sliding hip screw

22,524

(34.8)

64,147

(36.3)

No operation performed

39

(0.1)

74

(0.0)

Other

375

(0.6)

963

(0.5)

Missing

45

(0.1)

98

(0.1)

Type of anaesthesia

Spinal

19,294

(29.8)

51,376

(29.1)

Spinal + (Epi/NB)

6336

(9.8)

16,095

(9.1)

GA

14,312

(22.1)

38,885

(22.0)

GA + (Epi/NB)

15,651

(24.1)

44,567

(25.2)

Other

929

(1.4)

2714

(1.5)

Missing

8289

(12.8)

22,998

(13.0)

Discharge destination

Dead

7217

(11.1)

11,477

(6.5)

Acute hospital

817

(1.3)

1612

(0.9)

Rehab/Residential/Nursing

25,792

(39.8)

77,846

(44.1)

Own home

30,985

(47.8)

85,700

(48.5)

Missing

0

(0.0)

0

(0.0)

Out of hours discharge

In-hours discharge

48,685

(75.1)

136,958

(77.5)

Out-of-hours discharge

16,126

(24.9)

39,677

(22.5)

Missing

0

(0.0)

0

(0.0)

  1. Rehab Rehabilitation, IM Intramedullary, Epi Epidural, NB Nerve Block, GA General Anaesthetic, THR Total Hip Replacement, ASA American Society of Anesthesiologists Physical Status Classification, Hemi Hemiarthroplasty