Table 5 Regression equations for the volume of each region of the humerus.

From: Sex estimation using humerus volume in a Korean population with varying bone preservation

Measurement regions

Discrimination equation

Sectioning point

Significance

RHHR

M = EXP(-18.525 + 0.00033 × RHHR)

ODDS = M/(1-M)

F < 0.5  M

0.000

RHMSR

M = EXP(-10.459 + 0.00053 × RHMSR)

ODDS = M/(1-M)

RHDR

M = EXP(-19.490 + 0.00059 × RHDR)

ODDS = M/(1-M)

LHHR

M = EXP(-17.555 + 0.00031 × LHHR)

ODDS = M/(1-M)

LHMSR

M = EXP(-13.011 + 0.00069 × LHMSR)

ODDS = M/(1-M)

LHDR

M = EXP(-16.811 + 0.00052 × LHDR)

ODDS = M/(1-M)

FRHHR

M = EXP(-22.184 + 0.00042 × FRHHR)

ODDS = M/(1-M)

FRHDR

M = EXP(-21.993 + 0.00075 × FRHDR)

ODDS = M/(1-M)

FLHHR

M = EXP(-21.373 + 0.00041 × FLHHR)

ODDS = M/(1-M)

FLHDR

M = EXP(-21.244 + 0.00073 × fLHDR)

ODDS = M/(1-M)

RHML

M = EXP(-34.612 + 0.11698 × RHML)

ODDS = M/(1-M)

LHML

M = EXP(-34.096 + 0.11590 × LHML)

ODDS = M/(1-M)

  1. EXP(B), exponentiated regression coefficient; interpreted as the odds ratio; RHHR, Right humerus head region; RHMSR, Right humerus mid-shaft region; RHDR, Right humerus distal region; LHHR, Left humerus head region; LHMSR, Left humerus mid-shaft region; LHDR, Left humerus distal region; FRHHR, Fragmentary right humerus head region; FRHDR, Fragmentary right humerus mid-shaft region; FLHHR, Fragmentary left humerus head region; FLHDR, Fragmentary left humerus distal region; RHML, Right humerus maximum length; LHML, Left humerus maximum length; M, Male; F, Female.