Table 1.

Longevity analyses.

		Lifespan (weeks)
	N	Median	Maximuma
Control	67	95	137
H19 mutant	37	98 (3%)	144 (5%)
PAPP-A KO	42	120 (26%)	174 (27%)
Double-mutant	30	128 (35%)	164 (20%)

Data, presented in weeks with % increase over Control given in parentheses, were calculated from the survival data in Figure 1 (see supplemental table).

^aAverage age of last decile of surviving mice.