Duration of Treatment	N^*	Δ^*	Stat.
General fatigue
Less than 2 Months	32	0.45	P = 0.03, n = 65
2 Months or More	33	0.84	P = 0.03, n = 65
Physical or mental fatigue
Less than 2 Months	34	0.44	P = 0.05, n = 70
2 Months or More	36	0.76	P = 0.05, n = 70