Purkait & Chandra, Table 6b
Table 6: Cross Test of Sex Determination Accuracy Using Discriminant Function Formulae Derived
from Geographically Diverse Populations ***
Cross validation and comparative group |
Sample |
Male |
Female |
Dimensions in Function |
||
N |
N |
% |
N |
% |
||
Present study |
280 |
92.0 |
194/200 |
96.3 |
77/80 |
Maximum length + |
Thai formula on Indians |
280 |
63.5 |
127/200 |
100 |
80/80 (32/34) |
Maximum head diameter + |
Chinese formula on Indians |
280 |
58.5 |
117/200 |
100 |
80/80 |
Midshaft circumference + |
S. A. white formula on Indians |
280 |
27.0 |
54/200 |
100 |
80/80 |
Maximum head diameter + |
American white formula on Indians |
280 |
19.0 |
38/200 |
100 |
80/80 |
Maximum length + Maximum head diameter + |
*** The following discriminant function formulae were used in this cross testing:
Thai (King et al. 1998) F = 0.3229101* Maximum head diameter + 0.1298626* Epicondylar width Â23.86411
Chinese (Iscan and Shihai 1995) F = 0.0876531* Midshaft circumference + 0.2399596* Maximum head
diameter Â197.49596
South African white (Steyn and Iscan 1997) F = 0.1467735* Epicondylar width + 0.1817591* Maximum head
diameter Â20.11745
American white (Iscan and Miller-Shaivitz 1984) F= 0.30829* Maximum head diameter + 0.08253* Epicondylar
width Â0.01607* Maximum length + 0.07202* Midshaft circumference Â19.63418
01.03.11
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