Implementing the Keele stratified care model for patients with low back pain: an observational impact study

Table 6 Estimated change to productivity costs associated with introducing stratified care in Gloucestershire

Risk category	IMPaCT Back study estimates^a			Gloucestershire estimates
Risk category	% of LBP patients in work	change in mean no days off work for employed patients	Change in mean cost of LBP-related work absence^b (£)	Number of LBP patients in work^c	mean change in no of days of LBP-related work absence	Change in cost of LBP-related work absence (£ million)
Low	57	0.3	94	873	288	0.1
Medium	48	−6.1	−909	947	−5785	−0.9
High	48	−6.1	−805	822	−4975	−0.7
Total	51	−4.0	−545	2642	−10,472	−1.4

^aSource: [13, Table 4]
^bCosts over 6 months up-rated to 2014 prices using the retail price index [32]
^cApplying the IMPaCT Back study’s estimate of the percentage of LBP patients in work and the annual estimated annual referrals for LBP physiotherapy in Gloucestershire (Table 5)

ISSN: 1471-2474