Table I.

Descriptive statistics for the percentage of patients in each practice who met specific criteria as reported by all practitioners and those in each provider category

	All providers		Medicaid providers		Accepted Medicaid at1 time		Never accepted Medicaid		P value
	n	Median (q1-q3)	n	Median (q1-q3)	n	Median (q1-q3)	n	Median (q1-q3)
New full-treatment cases started in 2004	136	202 (150–300)	34	212.5 (150–350)	28	205 (150–300)	74	202 (150–300)	.95
Method of payment
% private insurance	160	50 (38.5–65)	38	44 (30–62)	33	55 (40–70)	89	50 (40–65)	.13
% Medicaid	130	0 (0–5)	38	6 (3–10)	23	0 (0–2)	69	0 (0–0)	—
% no insurance	161	50 (30–60)	38	45.5 (27–55)	33	42 (30–59)	90	50 (30–60)	.39
% other funding	81	0 (0–1)	19	0 (0–2)	12	0 (0–0)	50	0 (0–2)	—
Percentage of referred patients that have Medicaid	165	2.0 (0–5)	40	10.0 (3.5–20)	32	1.0 (0–5)	93	0.0 (0–2)	<0001
Percentage of new cases with no fee	83	1.0 (1–2)	20	1.0 (1–2)	15	1.0 (0–2)	48	1.0 (1–2)	.29
Percentage of new cases with discounted fee	102	3.0 (2–5)	28	3.0 (2–10)	22	2.0 (1–10)	52	2.5 (1–5)	.61
Number of Medicaid inquiries in typical month	154	5 (2–10)	37	10 (3–20)	30	10 (3–20)	87	4 (1–10)	.001
		n (%)		n (%)		n (%)		n (%)
Practice arrangement
Solo		121 (73.33)		30 (75.00)		25 (78.13)		66 (70.97)	.60
Nonsolo		44 (26.67)		10 (25.00)		7 (21.88)		27 (29.03)
Busyness
Too busy		21 (12.88)		8 (20.51)		3 (9.38)		10 (10.87)	.60
Comfortable load		98 (60.12)		20 (51.28)		20 (62.50)		58 (63.04)
Not busy enough		44 (26.99)		11 (28.21)		9 (28.13)		24 (26.09)
Average fee
$5000 or less		101 (61.59)		28 (70.00)		22 (68.75)		51 (55.43)	.09
>$5000		63 (38.41)		12 (30.00)		10 (31.25)		41 (44.57)
Quoted no fee or reduced fee?
No		56 (34.78)		10 (25.64)		10 (31.25)		36 (40.00)	.12
Yes		105 (65.22)		29 (74.36)		22 (68.75)		54 (60.00)

q1-q3, Twenty-fifth and 75th percentiles for numbers of cases or percentages of cases who met each criteria.