Table 5.

Percentage of Networks Made Up of Higher Quality Endocrinologists.^a

			Large Metropolitan					Metropolitan					Micropolitan and Rural
	Miles		15	30	60	120	240	15	30	60	120	240	15	30	60	120	240
HMO
50th percentile	Kidney score	MA	50.07	51.11	49.98	51.36	50.23	70.25	64.75	60.29	52.75	50.09	0.00	0.00	60.66	57.14	57.17
		TM	44.65	44.27	43.68	45.02	44.74	65.28	63.90	58.18	48.11	45.06	0.00	0.00	66.46	63.37	54.87
	Blood sugar score	MA	50.96	53.30	53.82	54.61	55.83	70.61	67.65	66.11	61.80	62.06	0.00	0.00	60.66	57.14	56.96
		TM	62.23	61.79	59.22	59.82	61.38	75.89	75.85	70.46	63.38	60.94	0.00	0.00	86.92	67.10	61.61
4 stars	Kidney score	MA	10.09	10.42	11.54	11.74	11.28	18.39	19.41	17.75	14.40	13.86	0.00	0.00	29.21	14.29	14.13
		TM	9.44	10.47	10.45	10.86	10.09	18.39	14.61	14.07	11.03	10.32	0.00	0.00	21.28	10.24	10.18
	Blood sugar score	MA	34.03	32.86	34.55	34.59	36.23	47.43	42.77	43.75	42.09	43.02	0.00	0.00	58.42	42.86	42.61
		TM	35.46	31.79	31.78	32.15	33.43	47.30	38.64	37.85	34.00	32.82	0.00	0.00	47.31	26.26	25.10
90th percentile	Kidney score	MA	0.44	0.56	0.60	0.56	0.52	0.00	0.00	0.18	0.59	0.78	0.00	0.00	0.00	0.00	0.00
		TM	0.65	0.56	0.67	0.62	0.57	0.01	0.02	0.23	0.47	0.61	0.00	0.00	4.71	1.29	1.74
	Blood sugar score	MA	10.41	11.25	14.27	15.11	15.39	10.91	14.35	20.40	18.93	20.58	0.00	0.00	0.00	0.00	0.00
		TM	15.02	13.70	13.36	13.14	13.07	13.64	13.61	15.73	13.54	12.92	0.00	0.00	19.74	8.18	7.87
PPO
50th percentile	Kidney score	MA	54.06	46.37	46.05	49.80	52.39	81.70	75.78	78.67	55.97	51.57
		TM	42.15	41.98	41.79	43.23	43.38	73.85	73.90	63.52	47.33	43.24
	Blood sugar score	MA	55.11	45.62	47.68	52.43	56.95	85.05	80.71	81.62	60.03	54.48
		TM	61.00	61.01	58.95	59.24	60.82	81.85	82.46	75.41	63.47	60.13
4 stars	Kidney score	MA	29.80	17.28	17.20	19.98	17.46	27.62	28.98	35.54	22.01	18.86
		TM	9.33	10.36	10.34	10.73	10.06	22.87	17.23	16.95	11.41	10.37
	Blood sugar score	MA	35.04	21.65	23.66	26.32	33.03	27.85	35.55	51.43	32.68	29.20
		TM	34.27	32.48	32.46	32.72	34.01	51.39	44.24	42.62	35.40	33.61
90th percentile	Kidney score	MA	1.62	3.62	5.33	5.02	4.37	0.00	0.00	0.46	2.87	4.71
		TM	0.40	0.47	0.60	0.57	0.53	0.00	0.00	0.05	0.32	0.55
	Blood sugar score	MA	9.32	11.35	17.29	21.03	19.14	27.85	34.41	47.27	26.17	20.25
		TM	14.79	13.82	13.73	13.47	13.42	17.78	17.85	19.19	14.66	13.49

Abbreviations: MA, Medicare Advantage; TM, traditional Medicare.

^aAll differences between TM and MA are significant at P < .001 unless marked in bold.