Table 6.

 NHS and local authority costs (in £000s), excluding benefits. Values are mean (maximum)

	Nurse group (n=1028)	Control group (n=808)
Year preceding study*	4.05 (55.4)	3.48 (35.0)
Year 2†	5.86 (39.1)	5.63 (33.1)
Individual mean increase†	2.54 (34.6)	2.80 (31.6)‡
Cost components in year 2†:
Nurse specialist	0.20
Institutional cost	2.86 (20.6)	3.31 (20.6)
Respite care	0.09 (12.8)	0.08 (7.98)
Hospital cost	0.79 (17.9)	0.74 (22.3)
Primary health care	0.15 (6.34)	0.19 (6.34)
Therapy	0.10 (4.33)	0.10 (4.71)
Drugs§	0.70 (25.3)	1.12 (3.74)
Home help	0.34 (2.50)	0.30 (2.50)

^*All patients entering study. 

^†Patients at end of study. 

^‡P value 0.47 (difference −0.26, −0.98 to 0.45) (unpaired t test with unequal variances). P value and 95% confidence interval checked with 2000 bootstrapped samples. 

^§Excludes apomorphine.