Table 3.

Stability values of the five most stably expressed reference genes according to BestKeeper.

Ranking	Total			Nasal polyp			Uncinate process			Control
	Gene	SD	CV	Gene	SD	CV	Gene	SD	CV	Gene	SD	CV
1st population
1	RPLP2	0.30	1.73	ATP5F1	0.29	1.37	GUSB	0.21	0.93	RPLP2	0.27	1.55
2	GUSB	0.31	1.34	RPS18	0.29	1.73	RPLP2	0.26	1.48	PPIA	0.28	1.51
3	ATP5F1	0.34	1.60	RPLP2	0.29	1.70	ATP5F1	0.26	1.21	RPLP1	0.28	1.71
4	RPS18	0.34	2.00	HPRT1	0.34	1.45	PGK1	0.29	1.26	GUSB	0.30	1.31
5	RPLP0	0.38	2.13	RPLP1	0.39	2.45	HPRT1	0.29	1.22	RPLP0	0.31	1.73
2nd population
1	RPLP2	0.28	1.30	B2M	0.16	0.75	RPLP2	0.18	0.85	RPLP0	0.24	1.09
2	RPLP0	0.29	1.34	HPRT1	0.22	0.80	RPS18	0.26	1.24	ATP5F1	0.27	0.77
3	RPS18	0.32	1.50	RPLP0	0.24	1.13	RPLP0	0.29	1.37	RPLP2	0.30	1.41
4	RPLP1	0.33	1.65	ATP5F1	0.27	1.07	RPLP1	0.31	1.56	YWHAZ	0.30	1.25
5	ATP5F1	0.34	1.35	PPIA	0.27	1.24	ATP5F1	0.36	1.44	B2M	0.31	1.45