Table 4 Distribution and statistical difference analysis of the normal bone mass group and low BMD/OP group in women.

From: To explore the association between the neutrophil percentage to albumin ratio and low bone mineral density/osteoporosis based on NHANES 2011–2018

Variables

Total (n = 5385)

0 (n = 4364)

1 (n = 1021)

Statistic

P

NPAR, Mean ± SD

1.39 ± 0.24

1.39 ± 0.24

1.37 ± 0.26

t = 1.94

0.053

DIQ group, n(%)

   

χ2 = 0.15

0.927

 1

404 (7.50)

325 (7.45)

79 (7.74)

  

 2

4865 (90.34)

3944 (90.38)

921 (90.21)

  

 3

116 (2.15)

95 (2.18)

21 (2.06)

  

BPQ group, n(%)

   

χ2 = 0.16

0.687

 1

1261 (23.42)

1017 (23.30)

244 (23.90)

  

 2

4124 (76.58)

3347 (76.70)

777 (76.10)

  

Age Group, n(%)

   

χ2 = 277.00

 < .001

 1

2052 (38.11)

1754 (40.19)

298 (29.19)

  

 2

2095 (38.90)

1808 (41.43)

287 (28.11)

  

 3

1238 (22.99)

802 (18.38)

436 (42.70)

  

Race Group, n(%)

   

χ2 = 86.12

 < .001

 1

1813 (33.67)

1489 (34.12)

324 (31.73)

  

 2

1213 (22.53)

1078 (24.70)

135 (13.22)

  

 3

2359 (43.81)

1797 (41.18)

562 (55.04)

  

Ca group, n(%)

   

χ2 = 5.48

0.019

 0

3451 (64.09)

2829 (64.83)

622 (60.92)

  

 1

1934 (35.91)

1535 (35.17)

399 (39.08)

  

VD group, n(%)

   

χ2 = 8.03

0.005

 0

3486 (64.74)

2864 (65.63)

622 (60.92)

  

 1

1899 (35.26)

1500 (34.37)

399 (39.08)

  

EDU group, n(%)

   

χ2 = 6.92

0.031

 1

892 (16.56)

711 (16.29)

181 (17.73)

  

 2

1056 (19.61)

832 (19.07)

224 (21.94)

  

 3

3437 (63.83)

2821 (64.64)

616 (60.33)

  

INDFMPIR group, n(%)

   

χ2 = 7.35

0.025

 1

1829 (33.96)

1510 (34.60)

319 (31.24)

  

 2

1939 (36.01)

1577 (36.14)

362 (35.46)

  

 3

1617 (30.03)

1277 (29.26)

340 (33.30)

  

ALQ group, n(%)

   

χ2 = 13.63

0.001

 1

1717 (31.88)

1364 (31.26)

353 (34.57)

  

 2

2382 (44.23)

1983 (45.44)

399 (39.08)

  

 4

1286 (23.88)

1017 (23.30)

269 (26.35)

  

SMQ group, n(%)

   

χ2 = 1.36

0.508

 1

2086 (38.74)

1694 (38.82)

392 (38.39)

  

 2

570 (10.58)

471 (10.79)

99 (9.70)

  

 3

2729 (50.68)

2199 (50.39)

530 (51.91)

  

BMI group, n(%)

   

χ2 = 222.25

 < .001

 1

1730 (32.13)

1202 (27.54)

528 (51.71)

  

 2

1406 (26.11)

1225 (28.07)

181 (17.73)

  

 3

2249 (41.76)

1937 (44.39)

312 (30.56)

  

MET minutes, n(%)

   

–

0.134

 1

3 (0.06)

1 (0.02)

2 (0.20)

  

 2

298 (5.53)

244 (5.59)

54 (5.29)

  

 3

5084 (94.41)

4119 (94.39)

965 (94.52)

  
  1. t: t-test, χ2: Chi-square test, -: Fisher exact.
  2. SD: standard deviation.
  3. Note: This table presents the distribution of various variables in 5385 women across different groups (Group 0: normal bone mass and Group 1: low BMD/OP group) and their statistical differences. The table lists the mean ± standard deviation (SD) for each variable, along with the frequency (n) and percentage (%) for each group. Differences between groups were compared using t-tests (t) and chi-square tests (χ2). Key variables include NPAR, diabetes (DIQ group), hypertension (BPQ group), age (Age group), race (Race group), calcium intake from dietary supplements (Ca), calcium and vitamin D intake from dietary supplements (VD group), education level (EDU group), poverty-income ratio (INDFMPIR group), alcohol consumption (ALQ group), smoking status (SMQ group), body mass index (BMI group), and physical activity (MET minutes). The P-value indicates the statistical significance between variables, with P < 0.05 representing a significant difference.
  4. Significant values are in bold.
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