Table 2. Bacterial community α diversity within atherosclerotic plaque samples.

Sample	Number of reads without chimeras	Number of rarefied reads	Observed OTUs	Phylogenetic diversity	Chao 1 index	Shannon index	Simpson index
ap01	6,376	5,566	298	8.66	413.94	5.23	0.92
ap02	6,890	5,505	269	9.86	335.07	4.73	0.88
ap03	6,289	5,527	265	11.05	299.92	4.88	0.87
ap04	6,325	5,474	239	9.02	310.50	5.21	0.93
ap05	8,166	5,448	296	8.44	350.01	4.90	0.87
ap06	11,479	5,492	319	7.60	444.67	4.45	0.83
ap07	13,841	5,513	308	8.24	382.17	5.73	0.95
ap08	8,534	5,483	253	8.68	306.63	4.54	0.85
ap09	5,552	5,552	258	8.98	317.38	4.41	0.84
ap10	5,637	5,516	283	8.25	362.33	5.13	0.92
ap11	7,184	5,547	171	7.85	256.55	3.14	0.73
ap12	8,608	5,565	139	7.18	194.65	3.00	0.73
ap13	6,856	5,452	175	11.22	222.53	3.90	0.80
ap14	7,912	5,612	183	8.48	234.11	3.48	0.78
ap15	10,781	5,530	162	9.60	231.79	3.09	0.72
ap16	9,878	5,429	165	9.65	206.13	3.16	0.73
ap17	7,833	5,528	178	10.07	252.25	3.42	0.76
ap18	8,337	5,457	176	8.81	227.85	3.16	0.73
ap19	9,964	5,468	201	9.72	250.11	3.78	0.82
ap20	7,332	5,487	169	9.93	222.01	3.48	0.78
ap21	8,636	5,541	173	8.10	207.03	3.48	0.77
ap22	10,903	5,451	180	7.09	247.20	3.49	0.77
ap23	10,657	5,513	173	7.89	224.04	3.84	0.81
ap24	10,808	5,559	182	9.01	225.97	3.66	0.79
ap25	12,777	5,510	156	7.92	215.63	3.24	0.75
ap26	13,030	5,535	177	8.77	253.96	3.59	0.78
ap27	8,215	5,541	159	9.15	198.60	3.39	0.76
ap28	11,076	5,627	168	9.90	194.56	3.74	0.81