Table 4

Effect of targeted marginal investment of £10 per patient with condition on expected outcomes

	Number of PCTs with investment	Number of PCTs without investment	Unadjusted β-coefficient (95% CI)	p Value	Adjusted β-coefficient (95% CI)	p Value	R²
Diabetes emergency admissions	9	12	−0.25 (−1.82 to 1.32)	0.761	0.07 (−1.69 to 1.83)	0.933	0.80
COPD emergency admissions	33	10	−1.84 (−4.84 to 4.80)	0.225	−1.69 (−4.56 to 1.19)	0.244	0.89
CHD emergency admissions	17	10	1.7 (−3.7 to 7.1)	0.532	3.2 (−2–2 to 8.6)	0.247	0.81
All emergency admissions	29	7	32 (−492 to 556)	0.902	26 (−547 to 601)	0.926	0.88
Diabetes HbA1c<7*	23	12	0.46 (0.06 to 0.86)	0.032	0.50 (0.1 to 0.9)	0.023	0.46
Diabetes HbA1c<9†	23	12	0.1 (−0.04 to 0.24)	0.094	0.1 (−0.04 to 0.24)	0.148	0.57
Per cent undergoing retinopathy screening	6	12	−1.0 (−2.7 to 0.7)	0.251	0.1 (−2.4 to 2.7)	0.911	0.45

*Measure changed over time from <7.5 in 2007/2008 and 2008/2009 to <7 in 2009/2010 and 2010/2011.
†Measure changed over time from <10 in 2007/2008 and 2008/2009 to <9 in 2009/2010 and 2010/2011.
CHD, coronary heart disease; COPD, chronic obstructive pulmonary disease; HbA1c, glycated haemoglobin; PCT, primary care trust.