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Multicenter Study
. 2010 Nov 30:341:c6267.
doi: 10.1136/bmj.c6267.

Explaining variation in referral from primary to secondary care: cohort study

Dulcie McBride  1 , Sarah Hardoon, Kate Walters, Stuart Gilmour, Rosalind Raine
Affiliations
Multicenter Study

Explaining variation in referral from primary to secondary care: cohort study

Dulcie McBride et al. BMJ. .

Abstract

Objectives: To determine the extent to which referral for defined symptoms from primary care varies by age, sex, and social deprivation and whether any sociodemographic variations in referral differ according to the presence of national referral guidance and the potential of the symptoms to be life threatening.

Design: Cohort study using individual patient data from the health improvement network database in primary care.

Setting: United Kingdom.

Participants: 5492 patients with postmenopausal bleeding, 23 121 with hip pain, and 101 212 with dyspepsia from 326 general practices, 2001-7.

Main outcome measures: Multivariable associations between odds of immediate referral for postmenopausal bleeding and age and social deprivation; hazard rates of referral for hip pain or dyspepsia and age, sex, and social deprivation. Analyses for dyspepsia were stratified for people aged less than and more than 55 years because referral guidance differs by age.

Results: 61.4% (3374/5492) of patients with postmenopausal bleeding, 17.4% (4019/23 121) with hip pain, and 13.8% (13 944/101 212) with dyspepsia were referred. The likelihood of referral for postmenopausal bleeding declined with increasing age: the adjusted odds ratio for patients aged 85 or more compared with those aged 55-64 was 0.39 (95% confidence interval 0.31 to 0.49). Patients aged 85 or more with hip pain were also less likely to be referred than those aged 55-64 (0.68, 0.57 to 0.81). Women were less likely than men to be referred for hip pain (hazard ratio 0.90, 95% confidence interval 0.84 to 0.96). More deprived patients with hip pain or dyspepsia (if aged <55) were less likely to be referred. Adjusted hazard ratios for those in the most deprived Townsend fifth compared with the least deprived were 0.72 (95% confidence interval 0.62 to 0.82) and 0.76 (0.68 to 0.85), respectively. No socioeconomic gradient was evident in referral for postmenopausal bleeding.

Conclusions: Inequalities in referral associated with socioeconomic circumstances were more likely to occur in the absence of both explicit guidance and potentially life threatening conditions, whereas inequalities with age were evident for all conditions.

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Conflict of interest statement

Competing interests: All authors have completed the Unified Competing Interest form at www.icmje.org/coi_disclosure.pdf (available on request from the corresponding author) and declare (1) Financial support for the submitted work from the King’s Fund to access the data; (2) RR is partly funded by a National Institute for Health Research Public Health Career Scientist Award and by the National Institute for Health Research University College London Hospitals/University College London Comprehensive Biomedical Research Centre; (3) No spouses, partners, or children have relationships with commercial entities that might have an interest in the submitted work; and (4) have no non-financial interests that may be relevant to the submitted work.

Figures

None
Flow of practices and patients through study
See this image and copyright information in PMC

Comment in

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