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JIAFM, 2007 - 29(4); ISSN: 0971-0973<br />

Group<br />

Mean<br />

actual<br />

age (Y)<br />

For Right Side Ribs<br />

1 st<br />

Group<br />

(17-30<br />

Years )<br />

2 nd<br />

Group<br />

(31-44<br />

Years )<br />

3 rd<br />

Group<br />

(45<br />

Years<br />

And<br />

Above)<br />

1 st<br />

Group<br />

(17-30<br />

Years )<br />

2 nd<br />

Group<br />

(31-44<br />

Years )<br />

3 rd<br />

Group<br />

(45<br />

Years<br />

And<br />

Above)<br />

Table IV<br />

Calculated<br />

mean<br />

bone age<br />

(X)<br />

S.D. 95%<br />

confidence<br />

interval<br />

24.29 25.33 4.00 17.49-<br />

33.17<br />

36.64 39.92 7.89 24.45-<br />

55.38<br />

52.84 48.20 4.72 38.95-<br />

57.45<br />

For Left Side Ribs<br />

24.29 25.32 3.99 17.50-<br />

33.14<br />

36.64 40.33 7.70 25.23-<br />

55.43<br />

52.84 48.15 4.12 40.07-<br />

56.22<br />

5. Iscan MY, Loth SR and Wright RK. Age estimation from the<br />

rib by phase analysis: white males. Journal of Forensic<br />

Science 1984b; 29: 1094-1104.<br />

6. Iscan MY, Loth SR and Wright RK. Metamorphosis at sternal<br />

rib end: A new method to estimate age at death in white<br />

males. American Journal of Physical Anthropology, 1984;<br />

65: 147-156.<br />

7. Iscan MY, Loth SR and Wright RK. Age estimation from the<br />

rib by phase analysis: white females. Journal of Forensic<br />

Science, 1985; 30: 853-863.<br />

8. Yoder C, Ubelaker DH and Powell JF. Examination of<br />

variation in sternal rib end morphology relevant to age<br />

assessment. Journal of Forensic Sciences 2001; 46 (2): 223-<br />

27.<br />

9. Singh D, Parkash C, Tyagi S, Pandey AN. Determination of<br />

age from the metamorphosis at sternal end of right 4th rib in<br />

North West Indian males. Journal of Indian Academy of<br />

Forensic Medicine 1999; 21: 77-85.<br />

10. Baccino E, Ubelaker DH, Hayek LA and Zerilli A. Evaluation<br />

of seven methods of estimating age at death from mature<br />

human skeleton remains. Journal of Forensic Medicine<br />

1999; 44 (5): 931- 936.<br />

Photograph 1<br />

Showing Minimal Pit Depth with ‘V’ Shaped<br />

Pit Having Thick Walls<br />

Table V<br />

Area Wise Distribution of Samples<br />

Area Number Percentage<br />

Urban 143 46.28<br />

Rural 166 53.72<br />

Total 309 100.0<br />

References<br />

1. Subrahmanyam BV. Modi’s Medical Jurisprudence and<br />

Toxicology, 22nd edition, Butterworths, India, 1999; 37-38:<br />

49.<br />

2. Stout SD, Dietze HD, Iscan MY, Loth SR. Estimation of age<br />

at death using cortical histomorphometry of the sternal end<br />

of the 4th rib. Journal of Forensic Sciences 1994; 39: 778-<br />

784.<br />

3. Howells WW. Age and individuality in vertebral lipping: Notes<br />

on Stewart’s Data. In Homenaje a Juan Comas en su<br />

Aniversario, 1965; 2: 169-178.<br />

4. Iscan MY, Loth SR and Wright RK. Racial variation in sternal<br />

extremity of the rib and its effect on age determination.<br />

Journal of Forensic Science 1987; 32: 452-466.<br />

97<br />

Photograph 2<br />

Showing Increasing Pit Depth with Wide ‘U’ Shaped<br />

Pit Having Brittle and Porous Texture<br />

Photograph 3<br />

Showing Still Increasing Pit Depth with Irregular<br />

Sharp Rib Having Bony Projections With<br />

Incomplete Walls

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