Table 5.

Expression stability values of reference genes according to RefFinder.

Ranking	Total		Nasal polyp		Uncinate process		Control
	Gene	Geometric value	Gene	Geometric value	Gene	Geometric value	Gene	Geometric value
1st population
1	RPLP1	3.31	ATP5F1	2.51	RPLP2	2.21	RPLP0	1.78
2	RPLP0	3.56	RPLP0	2.55	PPIA	2.71	ATP5F1	2.45
3	RPLP2	3.83	RPLP1	2.94	HPRT1	3.44	RPLP2	3.31
4	PPIA	3.98	RPLP2	3.98	RPS18	3.81	PGK1	3.83
5	ATP5F1	3.98	TBP	5.19	GUSB	4.09	RPLP1	5.01
6	RPS18	4.47	RPS18	5.58	PGK1	4.43	PPIA	5.03
7	TBP	5.27	PPIA	5.73	ATP5F1	6.03	RPS18	5.38
8	PGK1	5.73	PGK1	5.79	RPLP0	7.00	YWHAZ	7.09
9	HPRT1	6.12	HPRT1	6.90	YWHAZ	7.58	HPRT1	8.21
10	GUSB	7.18	GUSB	7.11	RPLP1	7.64	GUSB	8.34
11	YWHAZ	7.90	YWHAZ	9.49	TBP	10.69	TBP	9.23
12	GAPDH	12.24	ACTB	12.49	GAPDH	11.29	TFRC	12.47
13	ACTB	13.24	B2M	12.96	ACTB	12.49	GAPDH	12.98
14	B2M	13.47	GAPDH	13.49	TFRC	14.00	B2M	13.49
15	TFRC	15.00	TFRC	15.00	B2M	15.00	ACTB	15.00
2nd population
1	RPLP0	1.19	RPLP0	1.86	RPLP0	1.32	RPLP0	2.28
2	RPLP1	2.99	ATP5F1	2.99	RPS18	2.51	RPS18	2.91
3	RPS18	3.22	RPLP1	3.56	RPLP2	3.60	PPIA	3.44
4	RPLP2	3.60	PPIA	4.05	YWHAZ	3.72	RPLP2	3.48
5	YWHAZ	4.16	RPLP2	4.74	PPIA	4.05	RPLP1	3.66
6	PPIA	4.82	B2M	5.20	RPLP1	4.23	YWHAZ	4.23
7	HPRT1	7.20	RPS18	5.24	ATP5F1	6.77	GUSB	6.16
8	ATPF1	7.27	HPRT1	5.47	GUSB	7.84	ATP5F1	6.51
9	GUSB	8.21	YWHAZ	6.12	HPRT1	8.49	HPRT1	7.97
10	B2M	9.23	GUSB	9.87	B2M	8.91	TBP	9.43
11	TBP	10.22	TBP	10.74	TBP	11.00	B2M	9.82
12	PGK1	12.24	ACTB	10.95	PGL1	12.24	ACTB	11.74
13	ACTB	12.74	PGK1	13.00	ACTB	12.74	PGK1	12.22
14	TFRC	14.00	TFRC	14.00	TFRC	14.00	TFRC	14.00
15	GAPDH	15.00	GAPDH	15.00	GAPDH	15.00	GAPDH	15.00