Table 4.

FARD items: transverse comparisons between P and EXT groups at D0, D7 and D28

	D0			D7			D28
	t student	p value		t student	p value		t student	p value
Attitude	0.451	0.653	NS	0.983	0.330	NS	1.854	0.072	t
Pain	1.549	0.127	NS	1.501	0.140	NS	2.380	0.023	*
Irritability	2.909	0.005	**	1.672	0.101	NS	2.280	0.028	*
Sleep troubles	1.603	0.114	NS	1.333	0.189	NS	2.351	0.026	*
Difficulty of contact	0.142	0.887	NS	2.422	0.019	*	1.887	0.066	t
Concentration	0.241	0.811	NS	1.174	0.246	NS	1.741	0.091	t
Weariness	0.336	0.738	NS	1.320	0.193	NS	2.637	0.010	**