Physiotherapist or physician as primary assessor for patients with suspected knee osteoarthritis in primary care – a cost-effectiveness analysis of a pragmatic trial

Table 6 Mean QALYs gained after 1 year: Physiotherapist vs physician as primary assessor

Dataset	Mean QALYs (SD)		T-test^a
Dataset	Physiotherapist assessment	Physician assessment	Mean difference [95% CI^c]	p-value^d
Complete case	0.65 (0.26)	0.66 (0.23)	−0.009 [− 0.14 to 0.12]	0.88
Last observation carried forward	0.74 (0.17)	0.73 (0.18)	0.009 [−0.074 to 0.093]	0.82
Multiple imputation	0.75*	0.74*	0.015 [−0.059 to 0.089]	0.69

^aIndependent-samples t-test. Dependent variable QALYs, independent variable group (physiotherapist or physician assessment)
^bConfidence interval
^cp-value, significance level set at p < 0.05
*Pooled data from multiple imputations in five different imputed datasets, no standard deviation available for pooled analysis

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