Knife Crime - Home Affairs Committee Contents


Memorandum submitted by Trauma Audit and Research Network

1.  BACKGROUND

  evidence was presented to the Home Affairs Committee at its Leeds seminar on 26 January 2009. The presentation was made in the light of:

    —  Reported knife crime falling until recently (Home Office).

    —  Some hospitals (eg Royal London) report an increase in attendances.

    —  High profile media reports.

2.  BRITISH CRIME SURVEY DATA

KNIFE AND SHARP INSTRUMENT OFFENCES, QUARTERLY COMPARISON AND PROPORTIONS OF ALL OFFENCES, BY OFFENCE TYPE: ENGLAND AND WALES


Offence type
April to June
2007
April to June
2008
% change% of total offences
(April to June 2008)


Homicide1
.. ......
Attempted Murder5064 +2841
GBH with intent21,253 1,616+2933
GBH without intent3662 455-3110
Robbery3,4223,278 -417
Sub-Total: Serious Violent Offences 5,3875,413 019
Threats to Kill..287 ..15
Actual Bodily Harm.. 2,820..3
Rape..63 ..2
Sexual Assaults..27 ..0
Total: Violent & Sexual Offences4 ..8,610 ..6


1  Knife homicides excluded from totals at present, due to incomplete data, but it is planned that quarterly figures will be available in future.
2  Increase partly due to clarification in counting rules.
3  The percentage change for GBH without intent is to some extent influenced by a narrowing of offence definitions to exclude some wounding offences that do not constitute GBH.
4  Full offence collection not available before April 2008.

3.  OFFICE FOR NATIONAL STATISTICS DATA: ENGLAND AND WALES FATALITIES 1995-2007

4.  TRAUMA AUDIT AND RESEARCH NETWORK (TARN): SERIOUS INJURY AND HOSPITAL DEATHS

    —  The Trauma Audit and Research Network (TARN) collects data on patients who are admitted to hospital as a result of serious injury from its member hospitals (about half of all trauma-receiving hospitals in England and Wales).

    —  TARN benchmarks quality of trauma care on most seriously injured.

    —  Data includes only patients who reach hospital alive and either:

    —  Die.

    —  Need intensive care.

    —  Need to stay in hospital for more than three days.

KNIFE AND OTHER INJURIES; VICTIM DEMOGRAPHICS, SEVERITY AND OUTCOME, 1994-2008 (TARN)


Urban/rural

Rural Urban

  MOI   MOI

Other MOIKnife injury TotalOther MOI Knife injuryTotal
Total number of cases 29,628 17829,806131,068 1,711
132,779
Median Age 47 30474127
41
25th percentile 27 22272321
23
75th percentile 66 38666236
61
Median ISS 99 9910
9
25th percentile 99 999
9
75th percentile 10 15101316
13
Median GCS 15 15151515
15
25th percentile 15 15151515
15
75th percentile 15 15151515
15
Male 57.7%84.3% 57.9%61.9%91.5%
62.2%
Female 42.3%15.7% 42.1%38.1%8.5%
37.8%
25,24614925,395 111,3801,461112,841
Alive 95.1%90.3% 95.1%93.7%91.8% 93.7%
1,305161,321 7,5031317,634
Known final outcomeDead 4.9%9.7% 4.9%6.3%8.2% 6.3%
26,55116526,716 118,8831,592120,475
Total 100.0%100.0% 100.0%100.0%100.0% 100.0%



SERIOUS INJURIES PRESENTING TO TARN HOSPITALS IN ENGLAND AND WALES 1994-2008—PROPORTION CAUSED BY KNIFE CRIME


SERIOUS INJURIES PRESENTING TO TARN HOSPITALS IN ENGLAND AND WALES 1994-2008—PROPORTION OF ALL SERIOUS INJURIES DUE TO KNIFE CRIME; URBAN VERSUS RURAL HOSPITALS

5.  GREATER MANCHESTER PENETRATING INJURY SURVEY
Penetrating Injury Audit

July to December 2008

Stabbing Assaults Demographics
GenderFrequency Percentage
Male15489.5
Female1810.5
Total172100


Penetrating Injury Audit

July to December 2008

Stabbing Assaults weapons used
WeaponTotal Percentage
Kitchen knife59 34
Unidentified knives37 21.5
Other116.5
Flick knife53
Glass116.5
Pen knife21.2
Unidentified weapon47 27.3
172100
Median age = 27.8

6.  COLLEGE OF EMERGENCY MEDICINE SURVEY 15-22 DECEMBER 2008

  Interim results from 17 Emergency Departments in England and Wales (11 urban) showed:

    —  31 stabbing assaults;

    —  6 (<20%) required formal surgery;

    —  8 (24%) admitted to hospital;

    —  no fatalities; and

    —  less than 3% of total injury hospital admissions.

7.  SUMMARY OF DATA

    —  No rise in fatalities per year 2002-07.

    —  Rise in serious injuries as proportion of all injury and rise in numbers started in 2003 (1-3%).

    —  Speed of rise increasing for non-fatal serious injury.

    —  Appears to be an urban (London, Leeds, Manchester) phenomenon only.

    —  At local level only a quarter-one third of "stabbing" assaults presenting to A&E require hospital admission 16% are serious.

    —  Knives are the most commonly used weapon for stabbing assault.

8.  CONCLUSIONS ABOUT KNIFE CRIME

    —  An increasing and serious problem.

    —  Affecting young male victims in urban areas.

    —  Most injuries presenting to Emergency Departments are minor.

    —  Small proportion of injury burden as a whole.

    —  Affects "health" of whole community.

9.  ACKNOWLEDGEMENTS

College of Emergency Medicine: Ruth Brown, Don Mackechnie, all submitting hospitals.

Trauma and Audit Research Network: Maralyn Woodford, Lourens Bester, Omar Bouamra, Tom Jenks, Colin Dibble, Antoinette Edwards, Rachel Sloan, Hospital data co-ordinators.

Office of National Statistics: Claudia Wells.

February 2009





 
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Prepared 2 June 2009