12, 8, 46, 4), 4% (IS: - 26, 9, 26, 7), 6% (IS: - 33, 5, 34, 3) a 14% (IS: - 31, 6, 44, 2).
12,8; 46,4); 4% (IC: -26,9; 26,7); 6% (IC: -33,5; 34,3) y 14% (IC: -31,6; 44,2) durante los intervalos del ensayo 0-1, 1-3, 3-6, 6-9, 9-12 meses, respectivamente.