Table 3.

Resource utilisation over a three month period assessed with the RUD Lite and InterRAI-HC

	RUD Lite (n = 656)		InterRAI-HC (n = 656)		Mean Difference (RUD Lite minus interRAI-HC)	Spearman’s ρ (range countries)
Service use category	Use of service, n (%)	Mean (SD)	Use of service, n (%)	Mean (SD)	Mean (95 % CI)
Home care
Home health and domestic care hours	544 (83 %)	62.4 (75.3)	641 (98 %)	68.5 (65.9)	−6.1 ( −10.9; −1.4)	0.56* (0.38*- 0.81*)
Physician visits
Physician visits (GP + outpatient clinic visits	385 (59 %)	1.7 (2.6)	275 (42 %)	1.2 (2.3)	0.5 (0.3; 0.6)	0.62* (0.03–0.75*)
General practitioner visits	296 (45 %)	1.0 (1.6)	-	-	-	-
Outpatient clinic visits	189 (29 %)	0.7 (1.8)	-	-	-	-
Other health care services
Physical therapy sessions	137 (21 %)	2.6 (6.6)	89 (14 %)	2.6 (7.2)	0.1 (−0.3; 0.5)	0.68* (0.27*–0.82*)
Occupational therapy sessions	24 (4 %)	0.2 (1.1)	15 (2 %)	0.5 (3.8)	−0.3 (−0.7;−0.1)	0.14* (−0.01–1.00*)
Psychological treatment	5 (1 %)	0.0 (0.2)	4 (1 %)	0.1 (1.1)	−0.1 (−0.1;−0.0)	0.67* (0.00-0.86*)
Hospital admissions
Hospital admission with overnight stay, times	93 (14 %)	0.2 (0.6)	99 (15 %)	0.3 (1.1)	−0.1 (−0.2; 0.0)	0.57* (0.13–1.00*)
Hospital admission with overnight stay, nights	86 (13 %)	1.2 (4.9)	99 (15 %)	2.3 (7.5)a	−1.1 (−1.7;−0.6)	0.54* (0.14–1.00*)
Nights general ward	84 (13 %)	1.2 (4.8)	-	-	-	-
Nights ICU	4 (1 %)	0 (0.2)	-	-	-	-
Emergency room visits without overnight stay	92 (14 %)	0.2 (1.1)	87 (13 %)	0.2 (0.7)	0.0 (0.0; 0.1)	0.35* (0.00–0.74*)
Supportive care services
Meals on wheels	235 (36 %)	25.1 (39.2)	279 (43 %)	31.4 (39.5)	−6.3 (−8.7;−4)	0.72* (0.59*–0.92*)
Informal care
Informal caregiver time	413 (63 %)	212 (498.9)	483 (74 %)	211.2 (426.4)	0.8 (−28.1; 31.6)	0.61* (0.48*–0.80*)

* p < 0.01

^a Estimated using OECD data [17]