Supervised neuromuscular exercise prior to hip and knee replacement: 12-month clinical effect and cost-utility analysis alongside a randomised controlled trial

Table 3 Health care utilization during 61 weeks

		Intervention group (n = 84)	Control group (n = 81)
				Mean difference (95% CI)
Intervention
	Exercise sessions, mean (range)	13.1 (0–24)	0	13.1 (12.2 to 14.0)
Primary health care, visits
	General practice	18.2 (1.3)	19.5 (1.7)	−1.36 (−5.46 to 2.74)
	Physiotherapist	0.3 (0.1)	0.5 (0.2)	−0.27 (−0.81 to 0.27)
	Medical specialist	0.9 (0.2)	1.0 (0.2)	−0.05 (−0.57 to 0.48)
	Chiropractor	0	0.4 (0.03)	−0.40 (−0.77 to −0.03)
	Other^a	2.0 (0.1)	2.2 (0.2)	−0.28 (−0.72 to 0.16)
Subtotal		21.4 (1.3)	23.7 (1.7)	−2.36 (−6.61 to 1.90)
Secondary health care, visits
	Outpatient	8.4 (0.9)	8.5 (1.0)	−0.13 (−2.80 to 2.55)
	Emergency	0.2 (0.1)	0.5 (0.1)	−0.24 (−0.52 to 0.03)
Subtotal		8.6 (0.9)	9.0 (1.1)	−0.37 (−3.16 to 2.43)
Secondary health care, inhospital days
	Orthopeadic	3.6 (0.4)	4.6 (1.1)	−0.95 (−3.32 to 1.42)
	Surgery^b	0.3 (0.1)	1.2 (0.7)	−0.91 (−2.28 to 0.45)
	Medicine^c	0.7 (0.3)	0.8 (0.3)	−0.12 (−0.92 to 0.68)
	Oncology^d	0	0.4 (0.3)	−0.37 (−0.95 to 0.22)
	Other	0.3 (0.2)	0.3 (0.3)	−0.01 (−0.72 to 0.70)
Subtotal		4.8 (0.7)	7.2 (1.8)	−2.36 (−6.11 to 1.38)

Variables are expressed as the mean (bootstrap SE) number of outpatient visits or in-hospital days per patient during the 61 week follow-up period and the mean difference (95% confidence interval) between groups
^aOther, includes visits at the dentistry, laboratory or foot care clinic
^bSurgery, gastrointestinal, urology, plastic, thoracic
^cMedicine, internal medicine, cardiology, medical gastroenterology, neurology, geriatrics, general practice
^dOther, includes inhospital stay at oftamology, odontology or physiotherapy units

ISSN: 1471-2474