Method | Sex estimation | Undetermined | Accuracy rate | Accuracy |
All ten variables (M1) | ||||
Male | 93.7% (74/79) | 6.3% (5/79) | 92.4% (73/79) | 98.6% (73/74) |
Female | 94.4% (67/71) | 5.6% (4/71) | 94.4% (67/71) | 100% (67/67) |
Total | 94.0% (141/150) | 6.0% (9/150) | 93.3% (140/150) | 99.3% (140/141) |
Combination of eight variables, except DCOX and SCOX (M2) | ||||
Male | 91.1% (72/79) | 8.9% (7/79) | 89.9% (71/79) | 98.6% (71/72) |
Female | 94.4% (67/71) | 5.6% (4/71) | 94.4% (67/71) | 100% (67/67) |
Total | 92.7% (139/150) | 7.3% (11/150) | 92.0% (138/150) | 99.3% (138/139) |
The best combination of four variables—PUM, SPU, DCOX, and IIMT (M3) | ||||
Male | 92.4% (73/79) | 7.6% (6/79) | 92.4% (73/79) | 100% (73/73) |
Female | 88.7% (63/71) | 11.3% (8/71) | 88.7% (63/71) | 100% (63/63) |
Total | 90.7% (136/150) | 9.3% (14/150) | 90.7% (136/150) | 100% (136/136) |
Four variables from the central parts of the bone—IIMT, SS, SA, and SIS (M4) | ||||
Male | 50.6% (40/79) | 49.4% (39/79) | 50.6% (40/79) | 100% (40/40) |
Female | 32.4% (23/71) | 67.6% (48/71) | 30.9% (22/71) | 95.6% (22/23) |
Total | 42.0% (63/150) | 58.0% (87/150) | 41.3% (62/150) | 98.4% (62/63) |
Combination of first nine variables except for VEAC (M5) | ||||
Male | 94.9% (75/79) | 5.1% (4/79) | 93.7% (74/79) | 98.7% (74/75) |
Female | 95.8% (68/71) | 4.2% (3/71) | 95.8% (68/71) | 100% (68/68) |
Total | 95.3% (143/150) | 4.7% (7/150) | 94.7% (142/150) | 99.3% (142/143) |
Combination of first eight variables, except SIS and VEAC (M6) | ||||
Male | 93.7% (74/79) | 6.3% (5/79) | 92.4% (73/79) | 98.6% (73/74) |
Female | 95.8% (68/71) | 4.2% (3/71) | 95.8% (68/71) | 100% (68/68) |
Total | 94.7% (142/150) | 5.3% (8/150) | 94.0% (141/150) | 99.3% (141/142) |
The worst combination of four variables—SIS, SA, SS, and VEAC (M7) | ||||
Male | 43.5% (67/154) | 56.5% (87/154) | 42.9% (66/154) | 98.5% (66/67) |
Female | 81.2% (108/133) | 18.8% (25/133) | 80.4% (107/133) | 99.0% (107/108) |
Total | 61.0% (175/287) | 39.0% (112/287) | 60.3% (173/287) | 98.9% (173/175) |