Skip to main content

Table 2 Analysis for additive interactions between regions

From: Tumor loci and their interactions on mouse chromosome 19 that contribute to testicular germ cell tumors

Region Congenics Observed incidence Expected incidence Test score (χ2,P-value)
Region I     
I 5 0.04   
I.III 5 × 3 0.34 0.31 0.42, ns
I.IV 5 × B-81 0.11 0.03 5.96, P < 0.02
I.V 5 × 7 0.08 0.13 1.44, ns
Region II     
II 6 0.19   
II.IV 6 × B-81 0.10 0.18 2.28, ns
Region III     
III 3* 0.32   
III.I 5 × 3 0.34 0.31 0.42, ns
III.IV 1 0.22 0.31 3.37, ns
III.V 3 × 7 0.26 0.41 5.95, P < 0.02
Region IV     
IV B-81* 0.04   
IV.I 5 × B-81 0.11 0.03 5.96, P < 0.02
IV.II 6 × B-81 0.10 0.18 2.28, ns
IV.III 1 0.22 0.31 3.37, ns
Region V     
V 7 0.14   
V.I 5 × 7 0.08 0.13 1.44, ns
V.III 3 × 7 0.26 0.41 5.95, P < 0.02
  1. *Previously described congenic strains [16, 27]; ns = no statistically significant difference between observed and expected values. Positive epistatic interactions are in green and negative epistatic interactions are in red.