Table 1.
Descriptive statistics for body mass and femoral diaphyseal parameters of one-week-old mice. Values are means with standard deviations in parentheses.
Females | Males | |||
---|---|---|---|---|
Trait (units) | Selected (n = 10) | Control (n = 12) | Selected (n = 10) | Control (n = 11) |
Body Mass (g) | 4.37 (0.46) | 5.02 (1.05) | 4.61 (0.64) | 5.08 (0.67) |
Ps.Ar (mm2) | 0.6068 (0.0692) | 0.6055 (0.1084) | 0.6611 (0.0959) | 0.6419 (0.0770) |
Es.Ar (mm2) | 0.3378 (0.0486) | 0.3474 (0.0592) | 0.3964 (0.0648) | 0.3769 (0.0399) |
Ct.Ar (mm2) | 0.1590 (0.0289) | 0.1568 (0.0418) | 0.1545 (0.0299) | 0.1590 (0.0253) |
J (mm4) | 0.0242 (0.0069) | 0.0246 (0.0096) | 0.0266 (0.0084) | 0.0264 (0.0073) |
Imax (mm4) | 0.0142 (0.0042) | 0.0148 (0.0057) | 0.0159 (0.0052) | 0.0159 (0.0048) |
Imin (mm4) | 0.0100 (0.0027) | 0.0098 (0.0039) | 0.0107 (0.0032) | 0.0104 (0.0026) |
TMD (mgHA/cm3) | 722 (8) | 717 (15) | 709 (9) | 713 (9) |
Po (%) | 41.1 (2.4) | 39.4 (4.1) | 41.6 (3.3) | 39.9 (2.5) |
Ps.Ar = periosteal area, Es.Ar = endosteal area, Ct.Ar = cortical area, J = polar moment of area, Imax = maximal second moment of area, Imin = minimal second moment of area, TMD = tissue mineral density, Po = cortical porosity