Quantile regression for overdispersed count data: a hierarchical method

Journal of Statistical Distributions and Applications

Table 7 Estimated relative risks (median quantile regression) for ambulatory sensitive emergency admission by region and deprivation decile of gp practice

Region	Decile	Number of GP practices	Mean	2.5%	97.5%	Region	Decile	Number of GP practices	Mean	2.5%	97.5%
London	1	70	0.69	0.67	0.70	North	1	109	0.85	0.83	0.86
	2	90	0.74	0.72	0.75		2	155	0.90	0.88	0.91
	3	105	0.77	0.75	0.78		3	163	0.94	0.93	0.95
	4	117	0.82	0.80	0.83		4	168	0.99	0.97	1.00
	5	132	0.87	0.86	0.88		5	181	1.05	1.04	1.06
	6	184	0.93	0.92	0.94		6	201	1.11	1.10	1.12
	7	180	1.00	0.99	1.01		7	261	1.18	1.17	1.19
	8	222	1.09	1.07	1.11		8	292	1.27	1.26	1.28
	9	205	1.18	1.16	1.20		9	294	1.38	1.37	1.40
	10	51	1.34	1.31	1.38		10	445	1.69	1.66	1.72
Midlands-East	1	232	0.75	0.74	0.76	South	1	340	0.67	0.66	0.69
	2	239	0.80	0.79	0.81		2	268	0.72	0.71	0.73
	3	229	0.83	0.82	0.84		3	255	0.75	0.75	0.76
	4	273	0.88	0.87	0.89		4	194	0.80	0.79	0.80
	5	235	0.93	0.92	0.94		5	203	0.85	0.85	0.86
	6	215	0.99	0.99	1.00		6	152	0.90	0.89	0.92
	7	192	1.07	1.06	1.08		7	119	0.96	0.95	0.98
	8	167	1.16	1.15	1.17		8	71	1.05	1.03	1.07
	9	207	1.28	1.26	1.30		9	46	1.15	1.12	1.18
	10	223	1.52	1.49	1.55		10	33	1.39	1.34	1.45