Study of Length and Breadth of Mastoid Process with Cranial Index in North Karnataka Crania

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Study of Length and Breadth of Mastoid Process with Cranial Index in North Karnataka Crania

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Photo by charlesdeluvio on Unsplash

Photo by charlesdeluvio on Unsplash

Why is it important?

Forty eight (48) male and 28 female, non – pathological, dried adult crania were studied. The cranial Index (CI) length and breadth of mastoid process (MP) on both sides were also measured C.I was measured by winged caliper and MP was measured byvernier calipersMale CI was 68.6 (SD+0.46) mean length of right MP was 2.66 (SD + 0.18) mean left Breadth of MP 0.81 (SD ± 0.4). The CI of Female was 72.5, (SD ± 1.19) and mean length of MP right side in female crania was 2.60 (SD ± 0.23) mean length MP (left) side was 2.20 (SD ± 0.16) mean breadth of MP in female (right side) was 0.86 (SD + 0.05) mean breadth of MP in female (left side) was 0.81 (SD ± 0.04).Correlation coefficient of CI in male and length of MP (right side) was 0.75 t test was 7.09 and p Value was highly significant (p<0.01) and length of MP (left side) was 0.74, t test was 7.46 and p value was highly significant (p<0.01) correlative coefficient of CI with Breadth of Mp (right side) was – 0.83 cm t test value was 10.0 and p value was highly significant (p<0.01) and Breadth of MP (left) side was – 0.72cm t test value was 7.03 p value was highly significant (p<0.01). The correlation coefficient of CI of Female crania study CI with length of MP (right side) mm 0.87 t test value was 8.9 p value was highly significant (p<0.01) CI with length of MP (left side) was 0.83 t test value was 7.5 P value was highly significant (p<0.01) CI with Breadth of MP (right side was – 0.81) t test value was 7.04 p value was highly significant (p<0.01). CI with Breadth of Mp (left side) was – 0.82 t test value was 7.3 p value was highly significant (p<0.01). In the comparison study of male and female cranial parameters In males mean value of CI was 68.6 (SD ± 0.46) and mean value CI of female was 72.5 (SD ± 1.19) and the t test value was – 20.1 and the p value was highly significant (p<0.01) mean value of male MP length (right side) was 2.66 (SD ± 0.10) and mean value in female MP right side was 2.60 (SD ± 0.23) t test value was 1.64. P value was highly significant (p<0.01) mean value of length of MP (left side) in male crania was 2.11cm (SD ± 0.15).Mean value in female MP (left side) was 2.20 (SD ± 0.16) t test value was -2.60 p value was highly significant (p<0.01) mean value of breadth of MP (right side) in male crania was 0.82 (SD ± 0.05) and mean value in female MP (right side) 0.86 (SD ± 0.05) t test value was – 3.15 and p value was highly significant (p<0.01). Mean value of breadth of male crania (left side) was 0.81 (SD ± 0.04) and in female crania breadth of MP was 0.81 (SD ± 0.04) t test value was 0.79 and p value was insignificant (p>0.05) This correlative coefficient study is quite useful for ENTsurgeons, Radiologists, Medico – legal experts, Anthropologist and Anatomists because By knowing the value of one parameter like C.I one can explore the both sides MP and vice versa.

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