"normal" "sensecent" "pct.cond" "pct.total" "2N_old" 821 60 7.30816077953715 1.47746860379217 "2N_yng" 1239 68 5.48829701372074 1.67446441763113 "Dp16_old" 625 15 2.4 0.369367150948042 "Dp16_yng" 1168 65 5.56506849315068 1.60059098744152