Table 3.

Proportion of respondents for each scenario who chose uninstrumented surgery (no implants), autologous iliac crest bone graft (for fusion surgery), neuromonitoring, and hard collar or lumbosacral orthosis (LSO) for fusion surgery. (ICBG = iliac crest bone graft).

	Uninstrumented			ICBG			Neuromonitoring			Brace
Case	Current	Bundled	p	Current	Bundled	p	Current	Bundled	p	Current	Bundled	p
1	13%	23%	0.24	3%	17%	0.06	63%	29%	0.002	49%	28%	0.07
2	15%	25%	0.26	20%	41%	0.07	63%	32%	0.004	50%	34%	0.23
3	3%	3%	1.0	3%	20%	0.03	66%	46%	0.08	50%	43%	0.50
4	10%	10%	1.0	19%	32%	0.18	61%	39%	0.05	54%	51%	0.82
5	20%	27%	0.43	27%	37%	0.42	73%	68%	0.62	55%	50%	0.72
6	0%	2%	1.0	22%	41%	0.06	56%	39%	0.12	29%	24%	0.62
7	0%	0%	1.0	20%	44%	0.02	61%	39%	0.05	27%	20%	0.43
8	0%	0%	1.0	27%	49%	0.04	68%	54%	0.17	32%	27%	0.62