Table 2: The frequency of the main clinical features of AM as described by Belgian [3], French [31], and European [2] epidemiological studies.

France () 2002-2003 (%) Belgium () 2000–2005 (%) Europe () 2006–2009 (%) Depression 74 72 80 Weakness Not mentioned 100 85 Stiffness 82 80 83 Recumbency 90 96 78 Trembling Frequent 71 68 Sweating 58 57 64 Pigmenturia 100 95 93 Distended bladder on rectal palpation Not mentioned 80 58 Congested mucous membranes Not mentioned 69 53 Tachycardia 76 69 79 Dyspnea 70 68 44 Normothermia 48 36 60