Table 2. Clinical baseline and follow-up comparison of somatic complaints and quality-of-life scores, using paired samples t-tests.

	n	Mean	SD	Difference (95% CI)	P-value
PHQ-15 total symptom score
Baseline	51	17.8	5.7
Follow-up	51	14.2	6.8	3.79 (2.28 to 5.29)	<0.01
SF-36 physical health component
Baseline	43	25.5	23.3
Follow-up	43	33.5	35.9	–8.0 (–16.63 to 0.64)	0.69
SF-36 mental health component
Baseline	42	35.8	25.5
Follow-up	42	45.6	29.5	–9.8 (–18.44 to –1.18)	<0.05
EQ-5D health score
Baseline	48	39.6	24.6
Follow-up	48	47.4	25.8	–7.8 (–16.11 to 0.38)	0.61

PHQ-15 = 15-item Patient Health Questionnaire. SD = standard deviation. SF=36 = 36-item Short Form Survey.