Table 4.

Characteristics of Physicians and Hospitals by Patient Cancer Type

		Patient cancer type (percent)
	n [weighteda n]	ALL	Germ cell	Hodgkin lymphoma	Non-Hodgkin lymphoma	Sarcoma	p-Value
Total number [weightedan]	1098 [464]	43 [20]	396 [175]	337 [134]	266 [112]	56 [23]
Physician characteristics
Sex
Male	858 [369.3]	68.8	84.0	79.3	76.3	73.2	0.053
Female	218 [86.9]	29.6	14.7	19.9	20.8	23.6
Unknown	22 [7.8]	1.7	1.3	0.8	3.0	3.3
Physician's age at patient treatment (years)
≤40	207 [88.1]	10.0	18.9	23.1	17.1	12.3	0.23
41–50	354 [152.9]	34.2	33.3	34.0	33.0	22.9
51–64	445 [187.8]	44.2	40.1	37.7	40.3	57.6
≥65	70 [27.3]	10.0	6.3	4.4	6.7	4.0
Unknown	22 [7.8]	1.7	1.3	0.8	3.0	3.3
United States–born
No	215 [87.8]	10.8	20.2	19.0	19.9	11.2	0.27
Yes	716 [307.4]	75.8	66.5	66.6	61.2	78.3
Unknown	167 [68.8]	13.3	13.2	14.4	18.9	10.5
Degree
MD	1055 [449.8]	98.3	96.7	95.3	98.3	100.0	0.17b
DO	43 [14.3]	1.7	3.3	4.7	1.7	—
Pediatric specialty
Yes	54 [23.3]	41.7	0.9	4.5	4.0	12.7	<0.0001
No	1044 [440.8]	58.3	99.1	95.5	96.0	87.3
Primary treating physician specialty
Pediatric hematology/oncology	34 [14.2]	24.6	0.4	2.5	2.9	8.3	<0.0001c
Hematology/oncology	330 [148.3]	27.1	21.6	39.9	41.1	23.6
Radiation/oncology	139 [55.7]	1.7	11.2	14.7	10.6	17.8
Orthopedics	22 [9.3]	—	0.2	0.4	1.4	29.7
Surgical	209 [93.2]	1.7	39.1	10.1	8.6	5.1
Pediatric medical	20 [9.1]	17.1	0.5	1.9	1.1	4.3
Medical	251 [100.9]	25.0	22.2	22.6	22.5	6.9
Other/unknown	93 [33.5]	2.9	4.7	7.9	11.7	4.3
United States–trained
Yes	869 [369.7]	79.2	79.6	79.9	78.3	86.2	0.83
No	229 [94.3]	20.8	20.4	20.1	21.7	13.7
% hours spent in hospital practice
0	620 [264.5]	62.9	54.9	61.8	56.6	42.0	<0.0001
1–50	239 [103.3]	23.3	29.1	18.6	16.1	20.3
51–100	217 [88.3]	12.1	14.7	18.8	24.3	34.4
Unknown	22 [7.8]	1.7	1.3	0.8	3.0	3.3
Primary responsibility
Direct medical care	971 [410.3]	65.8	93.3	87.7	88.5	75.0	<0.0001
Medical research/teaching	61 [27.0]	30.0	2.1	5.6	5.0	18.1
Other/unknown	66 [26.7]	4.2	4.6	6.7	6.5	6.9
Practice organization
Solo or two-person practice	139 [59.6]	7.5	16.1	8.8	13.3	13.8	<0.0001
Group practice	622 [256.5]	62.9	57.7	59.5	49.3	35.1
Medical school	65 [28.2]	8.3	4.6	4.9	6.7	19.6
Government hospital	134 [62.8]	12.1	9.9	15.0	17.0	17.8
Other/unknown	138 [56.9]	9.2	11.8	11.8	13.8	13.8
Multiple offices
Yes	265 [113.7]	19.6	25.8	23.6	23.3	29.7	0.53
No	811 [342.5]	78.8	72.9	75.6	73.7	67.0
Unknown	22 [7.8]	1.7	1.3	0.8	3.0	3.3
Practice address region
Northeast	12 [4.8]	1.3	0.6	1.5	1.3	—	<0.0001b
Midwest	255 [90.3]	23.3	20.0	24.4	13.8	10.9
South	176 [74.8]	28.8	10.6	20.8	18.2	9.8
West	630 [285.2]	45.0	67.1	52.1	63.8	76.1
Unknown	25 [9.1]	1.7	1.8	1.2	3.0	3.3
Size of MSA where practice is located
<100,000	41 [15.8]	2.5	2.8	4.6	3.0	4.3	0.12b
100,000–249,999	71 [31.3]	10.8	4.4	9.0	6.3	9.8
250,000–999,999	150 [60.9]	13.3	11.4	15.7	15.4	—
≥1,000,000	814 [348.1]	71.7	80.0	69.9	72.3	82.6
Unknown	22 [7.8]	1.7	1.3	0.8	3.0	3.3
Hospital characteristics
Number of hospital beds
1–199	211 [93]	30.0	18.9	23.1	19.6	4.3	<0.0001d
200–499	490 [208]	30.0	47.4	28.1	49.1	56.5
≥500	344 [141]	40.0	30.3	31.3	28.6	26.1
Outpatient/unknown	53 [22]	—	3.4	7.5	2.7	13.0
Hospital type
Cancer center, NCI-designated, or other type	746 [308]	95.0	56.0	73.1	70.5	60.9	<0.0001d
Community hospital	247 [108]	—	32.6	19.4	20.5	8.7
Other/unknown	105 [48]	5.0	11.4	7.5	8.9	30.4
Hospital has residency program
Yes	707 [299]	85.0	58.9	60.4%	69.6	87.0	<0.0001
No	391 [165]	15.0	41.1	39.6	30.4	13.0

Note. Sample size = 1098 physician observations for 464 patients. Percentages may not add to 100 due to rounding.

^aWeighted by the number of physicians who treated a patient.

^bDue to small cell sizes, p-values exclude patients with sarcoma.

^cDue to small cell sizes, p-values exclude patients seen by orthopedics.

^dDue to small cell sizes, p-values exclude patients with ALL.

ALL, acute lymphoblastic leukemia.