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Table 2 Association between BMI trajectories and NSCLC risk stratified by the four susceptibility SNPs

From: Associations of genetic risk, BMI trajectories, and the risk of non-small cell lung cancer: a population-based cohort study

SNP/Genotype

BMI trajectory

HRtrend (95% CI)

Ptrend

Pinteraction

Normal BMI

Normal to overweight

Normal to obese

Overweight to obese

rs79297227

      

1.01×10−7

 TT

       

  NSCLC/Non-NSCLC

402/2947

481/5593

111/1772

14/268

   

  HR (95% CI)a

Reference

0.75 (0.65, 0.85)

0.53 (0.42, 0.67)

0.42 (0.24, 0.74)

0.74 (0.67, 0.81)

3.37×10−10

 

 TC/CC

       

  NSCLC/Non-NSCLC

30/353

39/583

34/199

4/29

   

  HR (95% CI)a

Reference

1.06 (0.62, 1.81)

2.54 (1.42, 4.53)

1.73 (0.49, 6.05)

1.49 (1.14, 1.94)

0.003

 

rs2336652

      

3.92×10−7

 CC

       

  NSCLC/Non-NSCLC

408/3031

465/5692

115/1810

13/282

   

  HR (95% CI)a

Reference

0.72 (0.63, 0.84)

0.54 (0.43, 0.68)

0.34 (0.18, 0.62)

0.73 (0.66, 0.80)

6.51×10−11

 

 CA/AA

       

  NSCLC/Non-NSCLC

40/398

64/734

32/229

4/31

   

  HR (95% CI)a

Reference

0.98 (0.64, 1.51)

1.85 (1.09, 3.12)

2.05 (0.69, 6.10)

1.33 (1.04, 1.70)

0.025

 

rs16018

      

3.92×10−7

 AA

       

  NSCLC/Non-NSCLC

252/1645

233/3103

63/983

4/153

   

  HR (95% CI)a

Reference

0.58 (0.48, 0.70)

0.49 (0.36, 0.66)

0.12 (0.03, 0.47)

0.64 (0.56, 0.73)

8.56×10−11

 

 AG/GG

       

  NSCLC/Non-NSCLC

197/1789

299/3328

84/1058

14/160

   

  HR (95% CI)a

Reference

0.94 (0.78, 1.14)

0.81 (0.62, 1.08)

0.87 (0.50, 1.52)

0.92 (0.82, 1.04)

0.187

 

rs4726760

      

9.19×10−7

 CC

       

  NSCLC/Non-NSCLC

308/2528

412/4656

121/1433

16/235

   

  HR (95% CI)a

Reference

0.88 (0.76, 1.04)

0.86 (0.69, 1.09)

0.57 (0.33, 0.98)

0.90 (0.81, 0.99)

0.030

 

 CT/TT

       

  NSCLC/Non-NSCLC

126/811

110/1589

23/522

1/68

   

  HR (95% CI)a

Reference

0.47 (0.35, 0.62)

0.24 (0.14, 0.40)

0.13 (0.02, 0.95)

0.48 (0.39, 0.59)

2.07×10−11

 
  1. aCox proportional hazard regression model adjusted age, sex, race, family history of lung cancer, education, smoking, personal history of diabetes, current marital status, study centre, and first10 principal component
  2. BMI body mass index, NSCLC non-small cell lung cancer, SNPs single nucleotide polymorphisms, HR hazard ratio, CI confidence interval