* Mann-Whitney U test

^abased on n=371 as not known for n=88 and on n=1243 as not known for n=260

^bbased on n=320 as not known for n=138 and on n=972 as not known for n=531

^cbased on n=300 as not known for n=159 and on n=1034 as not known for n=469

^dbased on n=404 as not known for n=55 and on n=1314 as not known for n=189

^eseverity according to Ring&Messmer

n=number

NS=non-significant