Table 3

Differences between practices identified at high risk of future undersupply and other practices assuming a baseline scenario

	High risk (n=92)			Other (n=276)			P value*
	Median	25%	75%	Median	25%	75%	P value*
List size	10 625	7732	13 195	6915	4941	10 206	<0.001
Adjusted weighted list size	11 133	7369	13 252	7398	5251	10 615	<0.001
GP FTE	5	3.1	6.6	4.5	3.1	6.6	0.445
Ratio of nurse FTE to GP FTE	0.7	0.5	1	0.4	0.4	0.6	<0.001
IMD	25.6	18.7	31.7	17.6	13.1	22.2	<0.001
GPPS access†	0.4	0.2	0.6	0.8	0.6	0.9	<0.001
GPPS continuity†	0.3	0.2	0.5	0.7	0.5	0.9	<0.001
GPPS satisfaction†	0.4	0.2	0.6	0.7	0.5	0.9	<0.001
% over 65	18.3	14.1	23.4	23.2	18.5	26.5	<0.001
Setting	n	%		n	%		P value‡
Urban practices	77	31.3		169	68.7		<0.001
Rural practices	15	12.3		107	87.7		<0.001

*From Mann-Whitney test.
†GPPS scores used were case-mix adjusted log ORs relative to the average practice nationally.
‡from Fisher’s exact test.
FTE, full-time equivalent; GP, general practitioner; GPPS, General Practice Patient Survey; IMD, Index of Multiple Deprivation.