Skip to main content

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