Table 1:

Descriptives for all subjects and for each sexa

All Subjects(n = 996)Women(n = 527)Men(n = 469)P ValuebCohen D
Age (yr)59.0 (SD, 4.2)(50.5–66.8)58.7 (SD, 4.3)(50.5–66.3)59.2 (SD, 4.2)(51.0–66.8)P = .103
Heightc (cm)171.2 (SD, 8.7)(148.4–196.7)165.2 (SD, 5.8)(148.4–186.7)178.0 (SD, 6.1)(161.9–196.7)P < .0012.17
Weightc (kg)79.3 (SD, 13.5)(47.2–127.0)72.6 (SD, 11.8)(47.2–119.6)86.8 (SD, 11.1)(59.8–127.0)P < .0011.24
BMIc27.0 (SD, 3.7)(18.3–41.7)26.6 (SD, 4.1)(18.3–41.7)27.4 (SD, 3.1)(19.6–40.1)P < .0010.21
Midbrain (mm2)136.7 (SD, 20.5)(76.0–222.4)136.7 (SD, 19.7)(81.9–211.9)136.7 (SD, 21.4)(76.0–211.9)P = .985
Pons (mm2)542.2 (SD, 57.8)(386.5–812.5)518.2 (SD, 47.8)(386.5–695.7)569.1 (SD, 56.2)(416.5–812.5)P < .0010.98
MCP (mm)9.4 (SD, 0.8)(5.3–13.0)9.1 (SD, 0.8)(5.3–11.5)9.7 (SD, 0.8)(6.8–13.0)P < .0010.76
SCP (mm)3.8 (SD, 0.5)(2.5–5.5)3.7 (SD, 0.5)(2.6–5.2)3.9 (SD, 0.5)(2.5–5.5)P < .0010.44
M/P ratio0.25 (SD, 0.04)(0.14–0.41)0.26 (SD, 0.04)(0.15–0.41)0.24 (SD, 0.03)(0.14–0.36)P < .0010.67
MRPI10.0 (SD, 1.9)(5.5–18.1)9.5 (SD, 1.7)(5.5–15.6)10.6 (SD, 2.0)(6.1–18.1)P < .0010.59

  • ↵a Data are mean (SD) and range.

  • ↵b Women versus men.

  • ↵c Missing data for 2 women and 1 man.