Skip to main content

Table 3 Characteristics of included studies

From: Assessing demographic access to hip replacement surgery in the United Kingdom: a systematic review

Ref.

Date

Study design

Study population

Study timeframe

Data Source

Measurement domains

[34]

2009

Ecological study

11,392 English hip replacement patients

SASH data: 1994 to 1995

ELSA data: March 2002 to March 2003

SASH study (local scale) and ELSA study (national scale)

- Age

- Gender

- Area-based deprivation (2004 English IMD)

- Occupational social class

- Non-white ethnicity and ethnic mix of residence

- BMI

Rurality

[2]

2012

Cross-sectional study

54,636 English hip replacement patients

April 2009 to October 2010

PROMs Programme for surgical outcome linked to patient-level HES data

- Age

- Gender

- Area-based deprivation (2007 English IMD)

- Ethnicity

- Duration of symptoms

Comorbidities

[29]

2009

Cross-sectional study

373 English and Welsh hip replacement patients

2006 to 2007

Internal, patient level data from

16 centres: 13 NHS hospitals, 2 independent sector treatment centres and 1 private hospital

- Age

- Gender

- Area-based deprivation (2004 English IMD)

- Comorbidities

- Overall health status

Quality of life (EQ-5D)

[27]

2009

Ecological study

406,253 English hip replacement patients

January 1997 to December 2007

Unspecified patient-level hospital data

- Age

- Gender

- Area-based deprivation (Carstairs index of deprivation)

- Rurality of patient residence

Provider of care (private, foundation trust, teaching hospital, specialist hospital, traditional NHS)

[1]

2010

Cross-sectional study

n/a

SASH data: 1994 to 1995

ELSA data: March 2002 to March 2003

HES data: 2001/2 financial year

Assessing need: SASH study (local-scale) and ELSA study (national- scale)

Assessing provision:

Patient-level HES data

- Age

- Gender

- Area-based deprivation (2004 English IMD)

- Ethnic mix of patient residence

- Rurality

- Distance travelled to receive care

- Primary diagnosis

Hospital variables (number of hip operations, orthopaedic training centre status, rate of consultants, and operating theatres

[30]

2012

Cross-sectional study

33,709 English hip replacement patients (from 163 separate hospitals)

2001/2 financial year

Patient-level HES data

- Age

- Gender

- Area-based deprivation (2004 English IMD)

- Number of diagnoses at hospital admission

- Primary diagnosis

Hospital fixed effects

[35]

2015

Ecological study

405,259

English hip-replacement patients

2002 to 2009

ECHO project -patient-level data collected from England, Denmark, Portugal, Slovenia and Spain

- Age

- Gender

- Area-based deprivation (unspecified index)

[36]

2014

Ecological study

47,069 Scottish hip replacement patients

SMR data: April 1998 to March 2008

ISD data: financial year 2002/3 and 2007/8

Patient-level SMR data and ISD data on NHS-funded hip replacements performed in private sector

- Age

- Gender

Area-based deprivation (2006 Scottish IMD)

[31]

2007

Cross-sectional study

n/a

Financial year 1991/2 and financial year 2001/2

Patient-level HES data

- Age

- Gender

Area-based deprivation (Townsend deprivation Z-score)

[32]

2009

Cross-sectional study

n/a

Financial year 2002/3

Patient-level HES data

- Age

- Gender

- Area level deprivation (2004 English IMD)

- Rurality of residence

- Ethnic mix of residence

Hospital variables (number of hip operations, orthopaedic training centre status, rate of consultants, operating theatres and bed occupancy rates

[4]

2017

Ecological study

293,325 English hip replacement patients

April 2003 to December 2012

Patient-level NJR data linked to HES

- Age

- Gender

- Area based deprivation (2010 English IMD)

- Ethnicity

- Primary diagnosis

- BMI

- ASA score

Quality of life (EQ-5D)

[37]

2009

Ecological study

1865 Scottish hip replacement patients

January 1998 to March 2005

Internal, patient-level data from Victoria Hospital, Kirkcaldy

- Age

- Gender

- Area-based deprivation (2006 Scottish IMD)

- BMI

- Smoking status

- Comorbidities

- Surgical complications

- Mortality

- ASA score of presurgical fitness

Quality of life (SF-36)

[28]

2010

Cross-sectional study

282 English hip replacement patients

March 2004 to October 2005

Internal, patient-level data from North Middlesex Hospital, London

- Age

- Gender

- Area-based deprivation (2004 English IMD)

- White ethnicity

- ASA score

- Surgery duration

Morbidity

[39]

2011

Longitudinal study

1312 Scottish hip replacement patients

January 2006 to November 2008

Internal, patient-level data from Royal Infirmary Edinburgh

- Age

- Gender

- Area-based deprivation (Carstairs index)

- BMI

- Primary diagnosis

- Comorbidities

- Surgical complications

- 90-day mortality rate

Quality of life (SF-12)

[33]

2013

Cross-sectional study

59,680 English hip replacement patients

April 2009 to February 2011

PROMs Programme for surgical outcome linked to patient-level HES data

- Age

- Gender

- Area-level deprivation (2007 English IMD)

- Non-white ethnicity

- Primary diagnosis

- Comorbidities

- General Health

Hospital fixed effects

[38]

2011

Ecological study

274,679 English hip replacement patients

2001 to 2008

Unspecified patient-level hospital data

- Age

- Gender

- Area-based deprivation (2004 English IMD)

- Number of diagnoses

Hospital activity