Clinical Study

The Relationship between H. pylori Infection and Osteoporosis in Japan

Table 2

Association between the likelihood of osteoporosis in bivariate and multivariate logistic regression analysis.

CovariatesNonosteoporosisOsteoporosisBivariateMultivariate***
159 (79.5%)*41 (20.5%)*Standardized coefficientOR (95% CI) valueStandardized coefficientOR (95% CI) value

Patient profile
Age (years)61.7 (±8.5)**68.9 (±7.3)**0.0981.10 (1.06–1.15)<0.0010.1241.13 (1.07–1.20)<0.001
Sex
 Male87 (54.7)*8 (19.5)*1.00 (reference)1.00 (reference)
 Female72 (45.3)*33 (80.5)*1.6064.98 (2.17–11.47)<0.0011.5614.77 (1.78–12.77)0.002
BMI (kg/m2)23.4 (±3.3)**21.0 (±3.1)**−0.2440.78 (0.69–0.89)<0.001−0.2380.79 (0.68–0.92)0.002
Alcohol consumption
 Nondrinker91 (57.2)*30 (74.2)*1.00 (reference)1.00 (reference)
 Drinker68 (42.8)*11 (26.8)*−0.8410.43 (0.20–0.94)0.0350.1631.18 (0.39–3.58)0.774
Smoking
 Nonsmoker102 (64.2)*36 (87.8)*1.00 (reference)1.00 (reference)
 Smoker57 (35.8)*5 (12.2)*−1.3920.25 (0.09–0.67)0.006−0.1980.82 (0.20–3.31)0.781

H. pylori infection status
H. pylori infection
 Negative102 (64.2)*16 (39.0)*1.00 (reference)1.00 (reference)
 Positive57 (35.8)*25 (61.0)*1.1323.10 (1.52–6.33)0.0021.6745.33 (1.73–16.42)0.004

Comorbidity
Diabetes mellitus (type 2)
 No141 (88.7)*39 (95.1)*1.00 (reference)
 Yes18 (11.3)*2 (4.9)*−0.9120.40 (0.09–1.81)0.234
Hypertension
 No111 (69.8)*31 (75.6)*1.00 (reference)
 Yes48 (30.2)*10 (24.4)*−0.2930.75 (0.34–1.64)0.467

Internal medical therapies
Proton pump inhibitor (PPI)
 Nonuser114 (71.7)*28 (68.3)*1.00 (reference)
 User45 (28.3)*13 (31.7)*0.1621.18 (0.56–2.47)0.669
Low dose aspirin (LDA)
 Nonuser141 (88.7)*37 (90.2)*1.00 (reference)
 User18 (11.3)*4 (9.8)*−0.1660.85 (0.27–2.65)0.775

Lumber DXA
Bone mineral density (BMD) (g/cm2)0.94 (±0.13)**0.65 (±0.07)**
Young adult mean (YAM) (%)90.4 (±12.3)**63.4 (±6.5)**

Bone turnover marker
Bone specific ALP (BAP) (U/L)22.0 (±6.5)**24.4 (±5.7)**0.0551.06 (1.00–1.11)0.0380.0451.05 (0.98–1.12)0.184
Collagen type I cross-linked N telopeptide (NTX) (nmolBCE/L)14.0 (±4.9)**15.0 (±5.6)**0.0371.04 (0.97–1.11)0.258

Upper GI findings
Reflux Esophagitis (RE)
 No151 (95.0)*40 (97.6)*1.00 (reference)
 Yes8 (5.0)*1 (2.4)*−0.7510.47 (0.06–3.88)0.485
 LA-grade A61
 Grade B20
 Grade C00
 Grade D00
Hiatal hernia
 No83 (52.2)*26 (63.4)*1.00 (reference)
 Yes76 (47.8)*15 (36.6)*−0.4620.63 (0.31–1.28)0.201
Peptic ulcer disease (PUD)
 No144 (90.6)*30 (73.2)*1.00 (reference)1.00 (reference)
 Yes15 (9.4)*11 (26.8)*1.2583.52 (1.47–8.42)0.0051.6064.98 (1.51–16.45)0.008
Endoscopic gastric mucosal atrophy (EGA)1.7 (±1.8)**2.4 (±2.2)**0.1851.20 (1.01–1.43)0.039−0.2280.80 (0.60–1.05)0.106
 C-05313
 C-1465
 C-2144
 C-384
 O-1216
 O-2145
 O-334

*Number (%).
**Median (±SD).
***Models adjusted for age, sex, BMI, alcohol consumption, smoking, H. pylori infection, BAP, PUD, and EGA.
Model square test: .
Nagelkerke .
Hosmer-Lemeshow goodness of fit test: .
Discriminant hitting ratio = 86.0%.