Table 3.

Interrupted time series of healthcare services measures in the ParkLink cohorts (Parkinson's disease, atypical parkinsonism, vascular parkinsonism) and the control cohort, local health trust of Bologna, from July 1, 2019 to September 30, 2020.

Healthcare services measures	Parkinson's disease		Atypical parkinsonism		Vascular parkinsonism		Control
	IRR	95% CI	IRR	95% CI	IRR	95% CI	IRR	95% CI
Any outpatient visit
Pre-post change	0.33	0.24–0.44	0.30	0.19–0.50	0.45	0.27–0.77	0.41	0.32–0.53
Weekly change in trend post-interruption	1.03	1.01–1.04	1.04	1.01–1.06	1.03	1.01–1.06	1.02	1.01–1.04
Outpatient neurologic visit
Pre-post change	0.43	0.27–0.70	0.23	0.07–0.80	0.37	0.15–0.90	0.31	0.19–0.51
Weekly change in trend post-interruption	1.02	1.00–1.05	1.05	0.98–1.11	1.03	0.98–1.08	1.02	1.00–1.05
Outpatient physiotherapy evaluation/treatment
Pre-post change	0.07	0.04–0.12	0.14	0.04–0.47	0.41	0.15–1.13	0.12	0.07–0.21
Weekly change in trend post-interruption	1.08	1.05–1.11	1.04	0.98–1.10	0.99	0.94–1.05	1.07	1.04–1.10
Any outpatient exam
Pre-post change	0.40	0.30–0.54	0.53	0.31–0.89	0.54	0.34–0.86	0.38	0.30–0.47
Weekly change in trend post-interruption	1.03	1.01–1.04	1.02	0.99–1.05	1.02	0.99–1.04	1.03	1.02–1.04
Any non-urgent hospital admission
Pre-post change	0.30	0.16–0.55	0.22	0.02–2.25	0.38	0.06–2.42	0.34	0.22–0.50
Weekly change in trend post-interruption	1.00	0.97–1.04	1.03	0.91–1.16	0.97	0.87–1.08	1.01	0.99–1.04

Date change: week March 9–15, 2020; IRR, incidence rate ratio.