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PRIMIS. 23 rd April 2002 Metropole Birmingham. PRIMIS Comparative Analysis Service: The Results So Far!. Lynne Wright (Information Team) Dai Evans (Clinical Adviser). Interpreting Results. still early days for data quality causes of variation: true disease variation
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PRIMIS 23rd April 2002 Metropole Birmingham
PRIMIS Comparative Analysis Service:The Results So Far! Lynne Wright (Information Team) Dai Evans (Clinical Adviser)
Interpreting Results • still early days for data quality • causes of variation: • true disease variation • observed variation • variation due to data quality • lot of work needed in practices, schemes
Importance of Results • general snapshot of disease levels • PRIMIS data is biggest slice of primary care data • repeated frequently better DQ in time • some diseases, no prevalence data available (cf. incidence data). • last big dataset – MSGP 4, 1991
Numbers Involved: DQ • Central & Eastern: 3.5 million pts • London: 1.1 million pts • Northern: 1.1 million pts • South & South West: 2 million pts • Wales: 800,000 pts
Numbers Involved: PDQ • Central & Eastern: 630-690,000 pts • London: 1-1.1 million pts • Northern: 750-900,000 pts • South & South West: 530-630,000 pts • Wales:
Pop’n: 630-690,000 1-1.1 million 750-900,000 530-630,000
Pop’n: 3.5million 1.1 million 1.1 million 2 million 800,000
Pop’n: 630-690,000 1-1.1 million 750-900,000 530-630,000
Pop’n: 630-690,000 1-1.1 million 750-900,000 530-630,000
Pop’n: 3.5million 1.1 million 1.1 million 2 million 800,000
Chart 1. Proportion of Patients with CHD 6 5.49 5.30 5 4.55 3.93 3.89 3.69 3.73 3.66 4 3.53 3.13 3.17 3.01 2.57 3 Percentage 2 1 0 Prac 1 Prac 2 Prac 3 Prac 4 Prac 5 Prac 6 Prac 7 Prac 8 Prac 9 Prac 10 Prac 11 Prac 12 PCT Staffordshire Moorlands Primary Care Trust
Heart failure(example of reducing recording levels) Keele University GPRN
Pop’n: 3.5 million 1.1 million 1.1 million 2 million 800,000
Pop’n: 630-690,000 1-1.1 million 750-900,000 530-630,000
Diabetesplus monitoring (generalised prevalence increase) Keele University GPRN
Numbers Involved: SDQ • Central & Eastern: 730,000 pts • London: 500,000 pts • Northern: 64,000 pts • South & South West: 29,000 pts • Wales:
Pop’n: 730,000 500,000 64,000 29,000
Pop’n: 730,000 500,000 64,000 29,000
Pop’n: 730,000 500,000 64,000 29,000
Pop’n: 3.5million 1.1 million 1.1 million 2 million 800,000
Pop’n: 630-690,000 1-1.1 million 750-900,000 530-630,000
PRIMIS 23rd April 2002 Metropole Birmingham