Table 2:

Provider Characteristics

	Full Sample	By Patient Race/Ethnicity
Provider Characteristics	All Races	White	Black	Asian	Hispanic
N	1843	1064	654	60	65
PRIMARY CARE PROVIDER CHARACTERISTICS
PCP listed in EMR (%)	86.8	89.6	82.1	80.0	81.5
PCP Visit in 2016 (%)
Yes	36.7	34.6	41.4	26.7	32.3
No	6.1	5.5	8.0	1.7	3.1
Unknown	44.2	50.3	33.3	51.7	46.2
No provider listed (N/A)	13.0	9.7	17.3	20.0	18.5
PCP Location (%)
Hospital system being studied	39.0	35.2	46.9	28.3	30.8
Other tertiary care center	14.3	16.9	10.2	16.7	10.8
Private practice	26.5	27.2	24.6	31.7	29.2
Hospital/practice outside of region	7.0	10.7	0.9	3.3	10.8
No provider listed (N/A)	13.2	10.0	17.3	20.0	18.5
PCP Degree/Training (%)
Attending	79.8	86.9	69.3	76.7	72.3
Resident	3.1	0.6	7.2	3.3	3.1
Physician’s assistant or CRNP	3.7	2.5	5.8	0.0	4.6
No provider listed (N/A)	13.4	10.0	17.7	20.0	20.0
ORDERING PROVIDER CHARACTERISTICS
Area of Practice (%)
Primary care	22.5	26.1	13.5	18.3	13.9
Emergency	26.2	21.8	23.2	25.0	23.1
Pulmonary	20.9	14.5	44.5	28.3	32.3
Other (rheumatology, oncology, etc.)	25.6	31.5	16.2	23.3	24.6
Thoracic surgery	4.8	6.1	2.6	5.0	6.2
Ordering Provider Degree/Training (%)
Attending	81.2	83.2	78.4	80.0	78.5
Resident	9.4	5.6	14.7	11.7	16.9
Physician’s assistant or CRNP	9.4	11.3	6.9	8.3	4.6
PULMONARY CARE CHARACTERISTICS
Pulmonary Care Established before Initial CT (%)	25.1	30.4	16.7	31.7	18.5
Pulmonary Care Established after Initial CT (%)	17.0	17.7	16.9	17.1	9.4