Significant differences in mortality rate between females assigned to different groups (male A and contemporary males N) were also observed (4 females (8%) vs. 3 females (2%), for A and N males respectively, data not shown in tables).
Significant differences in mortality rate betweenfemales assigned to different groups (male A andcontemporary males N) were also observed (4 females(8%) vs. 3 females (2%), for A and N malesrespectively, data not shown in tables).