Table 2.

NMSS, PDSS, and PDQ-8 scores assessed via questionnaires according to duration of LCIG treatment

Measure	Time between LCIG initiation and patient visit
	1–2 years n = 156		2–3 years n = 80		3–4 years n = 61		4–5 years n = 30		> 5 years n = 60
	n	Mean ± SD	n	Mean ± SD	n	Mean ± SD	n	Mean ± SD	n	Mean ± SD
NMSS total score	155	55.3 ± 43.8	79	52.6 ± 38.3	61	65.7 ± 46.2	29	62.9 ± 43.4	59	68.9 ± 37.4
PDSS-2 total score	148	19.7 ± 10.6	74	20.2 ± 10.8	59	21.9 ± 10.4	26	18.9 ± 9.1	56	22.0 ± 11.9
PDQ-8 summary index	154	36.5 ± 19.0	79	38.9 ± 18.5	60	43.9 ± 15.6	30	40.6 ± 14.3	59	46.3 ± 16.5

LCIG levodopa–carbidopa intestinal gel, NMSS Non-Motor Symptoms Scale, PDSS-2 Parkinson’s Disease Sleep Scale, PDQ Parkinson’s Disease Questionnaire, SD standard deviation