Table 2. Provider continuity in the year prior to diagnosis of advanced lung cancer and end-of-life care.

		End of life care measures,% yes
Continuity Measure	N	Hospitalized1	ICU1	Chemotherapy1	Hospice2
All Subjects	69427	50.4	13.0	12.8	45.6
Saw a PCP
No	22106	47.3	12.3	11.1	41.4
Yes	47321	51.8	13.3	13.6	47.6
Number of PCPs seen
0	22106	47.3	12.3	11.1	41.4
1	33289	51.6	13.2	13.7	46.9
>1	14032	52.4	13.7	13.3	49.3
Total number of visits to PCP
0	22106	47.3	12.3	11.1	41.4
1–3	20193	50.0	12.4	14.0	48.2
4–7	17229	52.5	13.0	13.8	48.2
>7	9899	54.3	15.9	12.3	45.2
Number of visits to an assigned PCP (N = 47321)
1–3	23328	50.3	12.5	14.0	48.6
4–7	16445	52.4	13.3	13.7	48.0
>7	7548	55.0	16.3	12.2	43.5
Time exposure method continuity of PCP3
No	25745	47.8	12.2	11.5	42.2
Yes	43682	51.9	13.5	13.6	47.6
Saw any provider
No	13300	43.3	10.8	9.2	39.7
Yes	56127	52.1	13.5	13.6	47.0
Number of any provider seen
0	13300	43.3	10.8	9.2	39.7
1	21880	50.5	12.5	12.4	45.4
>1	34247	53.1	14.2	14.5	48.0
Total number of visits to any provider
0	13300	43.3	10.8	9.2	39.7
1–3	17226	48.9	11.8	13.1	47.1
4–7	18728	51.7	12.6	13.7	48.4
>7	20173	55.0	15.9	14.0	45.7
Number of Visits to a assigned provider (N = 56127)
1–3	25325	49.8	12.1	13.7	48.3
4–7	20875	53.0	13.7	13.9	47.6
>7	9927	55.9	16.7	12.8	42.7
Time exposure method continuity of any provider3
No	16727	44.4	10.9	10.2	40.8
Yes	52700	52.3	13.7	13.6	47.1

1  =  in last month of life.

2  =  in last week of life.

ICU, intensive care unit; PCP, primary care physician.

3 = Time exposure method of continuity is defined as having visited the same physician twice within any eight months over the two years prior to the diagnosis of lung cancer