22 4% (CI: - 26, 9, 26. 7), 6% (CI: - 33, 5, 34. 3;) и 14% (CI: - 31, 6, 44, 2) съответно през 0- 1, 1- 3, 3- 6, 6- 9 и 9- 12 месечни интервали на проучването.
12.8, 46.4), 4% (CI: -26.9, 26.7), 6% (CI: -33.5, 34.3) and 14% (CI: -31.6, 44.2), during the 0-1, 1-3, 3-6, 6-9 and 9-12 month study intervals, respectively.