Table 2.

Incremental healthcare use associated with HCU status, by healthcare type

Healthcare type	Annual incremental utilisation, mean (95% CI)
Hospital admission, all	1.04 (1.04 to 1.05)
Hospital admission, elective	0.29 (0.29 to 0.3)
Hospital admission, unplanned	0.77 (0.77 to 0.78)
Emergency department visits	1.4 (1.4 to 1.4)
Physician visits, all	32.1 (31.9 to 32.3)
General practitioner visits	9.3 (8.7 to 9.5)
Specialist visits	22.8 (22.7 to 22.9)
Home care services, all*	25.1 (24.4 to 25.7)
Personal support	15.6 (15.3 to 15.9)
Nursing	5.3 (4.9 to 6.0)
Allied	1.5 (1.5 to 1.6)
Other*†	2.8 (2.7 to 2.9)

Annual incremental utilisation is an additional mean number of services received by an HCU in the incident year compared with a non-HCU and the baseline year.

*Fit using Poisson distribution; all other are fit using negative binomial.

†‘Other’ includes social services, case management and respite care.

HCU, high-cost user.