Table 2.

Annual RHNF incidence and management among the Humana population between 2007 and 2014.

Year	RHNF	RHA	% Use of RHA	ORIF	% Use of ORIF	Non-op Tx	% Use of Non-op Tx
2007	1,773	77	4.34%	545	30.74%	550	31.02%
2008	2,020	88	4.36%	584	28.91%	574	28.42%
2009	2,122	102	4.81%	676	31.86%	673	31.72%
2010	2,319	93	4.01%	671	28.93%	684	29.50%
2011	2,462	129	5.24%	704	28.59%	737	29.94%
2012	2,631	141	5.36%	723	27.48%	771	29.30%
2013	3,156	182	5.77%	785	24.87%	885	28.04%
2014	3,917	216	5.51%	924	23.59%	1,013	25.86%
Totals	20,400	1,028		5,612		5,887
Trend p-value	<0.001	<0.001	0.011	<0.001	0.004	<0.001	0.046