Table 1. Cats included in the study and statistics summary of RNA sequencing data.

Sample	Group	Age (years)	Breed	Sex	Read pairs post trimming, n	Ribosomal RNA, %	Mitochondrial RNA, %	Uniquely mapped read pairs, %	Reads mapped to same strand, %	Reads mapped to opposite strand, %	Reads with not determined strand, %
LV1	Healthy LV	1.5	DSH	Male	47,478,136	0.03	19.55	76.09	91.55	2.30	6.15
LV2	Healthy LV	1.5	DSH	Male	43,888,937	0.03	21.93	71.16	92.42	2.48	5.10
LV3	Healthy LV	1.5	DSH	Male	44,123,313	0.03	18.25	74.39	91.12	2.50	6.39
LV4	Healthy LV	1.5	DSH	Male	42,265,613	0.03	18.10	74.32	91.80	2.40	5.80
LV5	Healthy LV	1.5	DSH	Male	49,505,256	0.03	18.30	73.29	90.90	2.49	6.61
LV6	HCM LV	9	DSH	Male	43,888,937	0.03	21.93	71.16	92.42	2.48	5.10
LV7	HCM LV	14	DSH	Male	44,077,351	0.03	17.35	71.55	90.74	2.59	6.67
LV8	HCM LV	15	DLH	Male	43,482,375	0.03	25.00	72.94	91.46	2.50	6.04
LV9	HCM LV	13	DSH	Male	48,884,797	0.03	13.67	81.88	89.75	2.56	7.69
LV10	HCM LV	3	DSH	Male	42,426,885	0.03	19.62	77.35	92.11	2.43	5.46
LA1	Healthy LA	1.5	DSH	Male	40,543,094	0.03	20.33	71.69	92.38	2.67	4.95
LA2	Healthy LA	1.5	DSH	Male	45,027,733	0.03	16.67	77.39	91.72	2.54	5.74
LA3	Healthy LA	1.5	DSH	Male	46,014,375	0.03	16.57	74.57	91.20	2.48	6.32
LA4	Healthy LA	1.5	DSH	Male	40,878,409	0.03	18.18	77.44	92.21	2.30	5.49
LA5	Healthy LA	1.5	DSH	Male	46,098,081	0.03	15.64	78.41	91.10	2.61	6.29
LA6	HCM LA	9	DSH	Male	51,695,982	0.03	15.37	78.91	88.56	2.36	9.09
LA7	HCM LA	14	DSH	Male	51,877,661	0.04	13.18	63.02	90.69	2.49	6.82
LA8	HCM LA	15	DLH	Male	46,463,111	0.04	16.17	76.02	91.75	2.37	5.89
LA9	HCM LA	12	DLH	Male	41,948,835	0.04	19.49	72.29	90.70	3.51	5.79
LA10	HCM LA	3	Ragdoll	Male	50,189,962	0.03	12.69	80.01	90.71	2.52	6.76

Left ventricle (LV) and left atrium (LA) samples from healthy cats and cats with hypertrophic cardiomyopathy (HCM). Domestic Shorthair (DSH), Domestic Longhair (DLH) and Ragdoll cats were included in the study