Table 3: Relation of Musculoskeletal Deformity to Development of Mental Retardation

Musculoskeletal Deformities Mental Retardation
+ -
Total P Value
+
-
20 (50%) 10 (10%)
0 (52%) 20 (40%)
30 (60%)
20 (40%)
0.0001
highly significant
total 20 (40%) 30 (60%) 50 (100%)