Table 2. Patients Served by Neurosurgeon Respondents.

1 Percentage of Patients Treated who Carry Commercial Insurance
<10%	2.6%
10–25%	16.9%
25–50%	37.8%
50–75%	27.3%
>75%	8.0%
Not known	7.3%
2 Percentage of Patients Treated who are on Medicare
<10%	7.5%
10–25%	29.7%
25–50%	46.0%
50–75%	9.3%
>75%	0.6%
Not known	6.6%
3 Percentage of Patients Treated who are on Medicaid
<10%	43.8%
10–25%	34.5%
25–50%	10.2%
50–75%	2.9%
>75%	0.5%
Not known	7.9%
4 Percentage of Patients Treated who are on TRICARE
<10%	59.5%
10–25%	8.3%
25–50%	0.8%
50–75%	0.1%
>75%	0.9%
Not known	7.9%