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Table 4 Subgroup analysis

From: Association between higher triglyceride glucose index and increased risk of osteoarthritis: data from NHANES 2015–2020

 

Osteoarthritis

OR (95% CI), p value

P for interaction

Stratified by gender

 

0.4823

Male

1.28 (0.95, 1.71) 0.0989

 

Female

1.46 (1.13, 1.88) 0.0036

 

Stratified by age

 

0.2983

Age < 65

1.47 (1.16, 1.87) 0.0015

 

Age ≥ 65

1.21 (0.89, 1.65) 0.2287

 

Stratified by BMI

 

0.0923

Normal (BMI < 25 kg/m2)

2.12 (1.28, 3.52) 0.0037

 

Overweight (25 ≤ BMI ˂30 kg/m2)

1.38 (0.99, 1.92) 0.0574

 

Obese (BMI ≥ 30 kg/m2)

1.24 (0.94, 1.64) 0.1330

 

Stratified by smoking

 

0.8307

Yes

1.34 (1.04, 1.72) 0.0258

 

No

1.38 (1.08, 1.77) 0.0113

 

Stratified by diabetes

 

0.0465

Yes

1.02 (0.69, 1.51) 0.9112

 

No

1.63 (1.28, 2.08) < 0.0001

 
  1. Model 1 was adjusted for no covariates;
  2. Model 2 was adjusted for age, gender, and race;
  3. Model 3 was adjusted for all covariates except effect modifier
  4. OR, odds ratio; 95% CI, 95% confidence interval
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BMC Public Health

ISSN: 1471-2458

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