Change in level of fatigue after one month in woman receiving iron or placebo for unexplained fatigue in absence of anaemia. Values are means (standard deviations) unless stated otherwise.

Table 2: Change in level of fatigue after one month in woman receiving iron or placebo for unexplained fatigue in absence of anaemia. Values are means (standard deviations) unless stated otherwise.

		Level of fatigue^*
Type of therapy	N. of women	Baseline	One month	Decrease	Difference (95% CI)	p value
Iron	71	6.4 (1.6)	4.5 (1.9)	1.82 (1.7)	0.97 (0.32 to 1.62)	0.004
Placebo	65	6.5 (1.5)	5.6 (2.2)	0.85 (2.1)	0.97 (0.32 to 1.62)	0.004

^*Measured on visual analogue scale; Table originally published in: Ruiz-Cantero MT, et al. [30].