Table 2 Association between WWI tertile subgroups and bone mineral density and the comparison of osteoporosis detection rates.

From: Weight-adjusted waist index as a new predictor of osteoporosis in postmenopausal patients with T2DM

 

WWI(cm/√kg)

F/X2

P

Q1(n = 76) (≤ 10.83)

Q2(n = 77) (10.83–11.55)

Q3(n = 76) (≥ 11.55)

Age(years)

64.22 ± 7.62

63.71 ± 7.18

65.66 ± 7.36

1.422

0.243

Lumbar spine BMD(g/cm2)

0.88 ± 0.15

0.84 ± 0.15

0.78 ± 0.16▲◆

8.152

0.000

Right femoral neck BMD(g/cm2)

0.76 ± 0.13

0.76 ± 0.13

0.68 ± 0.16▲◆

8.303

0.000

Left femoral neck BMD(g/cm2)

0.77 ± 0.14

0.75 ± 0.12

0.69 ± 0.15▲◆

5.684

0.004

Osteoporosis(%)

21.1%

29.9%

52.6%

17.869

0.000

  1. Continuous variables that a normal distribution: mean ± standard deviation (x̄ ± s), using the t-test; continuous variables that do not follow a normal distribution: median (interquartile range) [M (P25, P75)], using the rank sum test; categorical variables: counts, frequencies or percentages (%), using chi-square test. ▲compared with Q1, ◆compared with Q2.BMD: bone mineral density.
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