Table 1.

Mortality and mean lifespan of 5-HT_3A wild-type and mutant mice

5-HT3A	Sex	Mortality (dead/total)	Mean lifespan of dead (d)
+/+	Male	0/34 (0%)a	NA
vs/+	Male	42/144 (29%)	185 ± 11
vs/vs	Male	33/37 (89%)	71 ± 5
+/+	Female	0/43 (0%)a	NA
vs/+	Female	15/113 (13%)	209 ± 24
vs/vs	Female	8/43 (19%)	137 ± 23

NA, Not applicable.

^a Observations made over a period of ∼400 d.