Table 4. Rfam category statistics of blood and urine exosomes

Library	Total reads			Unique reads
	Blood	Urine	P-value	Blood	Urine	P-value
rRNA	664,436.33±89,892.42	716,135.67±420,629.50	0.8453	16,146.67±4,995.21	11,825.67±1,730.40	0.2298
tRNA	619,247.33±409,943.55	367,148.33±284,480.43	0.4309	9,178.00±5,089.72	6,175.00±3,168.85	0.4346
snoRNA	56,828.33±75,016.46	21,599±12,498.19	0.4673	500.00±357.22	457.33±238.68	0.8718
snRNA	48,305.67±49,710.85	46,866±24,310.35	0.9662	479.67±267.73	491.00±226.30	0.9580
Other Rfam RNA	311,030.67±229,410.06	302,926±103,992.12	0.9582	3,579.33±1,690.04	3,382.00±1,622.64	0.8911

rRNA, ribosomal RNA; tRNA, transfer RNA; snoRNA, small nucleolar RNA; snRNA, small nuclear RNA.