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. 1998 May 4;187(9):1463–1475. doi: 10.1084/jem.187.9.1463

Table 2.

Body Weight of Control (+/+, +/−) and Homozygous (−/−) Littermates of IL-1α/β KO Mice

Age Males Females
+/+,+/− −/− +/+,+/− −/−
wk
 4 15.8 ± 2.3 (24) 15.3 ± 1.5 (17) 15.1 ± 1.9 (9) 13.5 ± 2.4 (19)
 8 25.3 ± 2.8 (15) 24.7 ± 2.2 (9) ND ND
10 28.3 ± 2.9 (12) 27.1 ± 2.2 (28) ND ND
12 28.4 ± 3.3 (34) 27.6 ± 2.9 (27) 22.0 ± 2.1 (17) 21.0 ± 3.2 (21)

The numbers in parentheses show the number of mice used in this experiment.