. 2022 Apr;28(4):10.18553/jmcp.2022.28.4.405. doi: 10.18553/jmcp.2022.28.4.405

TABLE 3.

Descriptive Mean Annual Cost for Parkinson Disease Cases and Controls Surviving at the End of Each Follow-Up Year, Stratified by Survival Group (N = 27,394)

Year	Group 0					Group 1					Group 2
Year	Cases N = 8,167	N	Controls N = 6,887	N	Incremental cost	Cases N = 3,693	N	Controls N = 4,517	N	Incremental cost	Cases N = 2,258	N	Controls N = 1,872	N	Incremental cost
1	25,379	8,167	12,557	6,887	12,822^a	23,909	3,693	11,113	4,517	12,796^a	24,901	2,258	12,170	1,872	12,731^a
2	21,446	7,048	12,813	6,467	8,633^a	19,855	3,248	10,903	4,355	8,952^a	20,567	1,861	11,831	1,692	8,736^a
3	20,845	6,207	12,721	6,125	8,124^a	19,226	2,920	10,684	4,219	8,542^a	20,554	1,581	11,836	1,577	8,718^a
4	20,871	5,504	12,351	5,857	8,520^a	20,195	2,680	11,475	4,109	8,720^a	20,563	1,356	11,677	1,497	8,886^a
5	21,782	5,001	12,453	5,650	9,329^a	18,849	2,530	11,118	4,024	7,731^a	20,662	1,224	11,546	1,431	9,116^a
6	20,512	4,685	12,231	5,483	8,281^a	18,393	2,428	11,062	3,984	7,331^a	18,989	1,111	10,298	1,368	8,691^a
7	20,535	4,476	12,540	5,373	7,995^a	18,407	2,356	10,490	3,932	7,917^a	19,805	1,046	11,747	1,335	8,058^a
8	20,500	4,358	13,535	5,291	6,965^a	18,812	2,319	11,883	3,902	6,929^a	21,347	1,006	9,410	1,313	11,937^a
9	19,163	4,309	14,405	5,261	4,758	22,137	2,299	12,790	3,880	9,347^a	18,619	989	10,054	1,304	8,565^a

Cost estimates are for individuals who were alive or censored during the year of interest. Mean costs (USD) were adjusted for censoring using the inverse probability weighting method.

^aStatistically significant at a two-sided α of < 0.05.

USD = United States dollars.