After 30 days the observed mean was 0.778 ± 0.441. At 45 days, observed mean was 1.444 ± 0.527, and at 60 days, observed mean was 1.47 ± 0.483.
A los 15 días tuvo una media de 0.444 ± 0.527, a los 30 días de 0.778 ± 0.441, a los 45 de 1.444 ± 0.527 y a los 60 días de 1.47 ± 0.483.