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Table 7 Analysis of SNP-SNP interaction models using MDR method

From: MIR31HG polymorphisms are related to steroid-induced osteonecrosis of femoral head among Chinese Han population

Model

Training Bal. Acc.

Testing Bal. Acc.

CVC

OR (95% CI)

p

rs10965059

0.578

0.574

10/10

2.46 (1.61–3.77)

<0.0001

rs2181559, rs10965059

0.598

0.577

7/10

2.60 (1.76–3.83)

<0.0001

rs2025327, rs2181559, rs10965059

0.609

0.555

5/10

3.07 (2.03–4.65)

<0.0001

rs1332184, rs2181559, rs10965059, rs10965064

0.634

0.523

7/10

2.93 (2.07–4.16)

<0.0001

rs1332184, rs72703442, rs2181559, rs10965059, rs10965064

0.652

0.521

7/10

3.34 (2.37–4.72)

<0.0001

rs1332184, rs72703442, rs55683539, rs2181559, rs10965059, rs10965064

0.666

0.542

7/10

3.79 (2.68–5.36)

<0.0001

rs1332184, rs72703442, rs2025327, rs55683539, rs2181559, rs10965059, rs10965064

0.671

0.543

10/10

4.39 (3.01–6.40)

<0.0001

  1. Bal. Acc Balanced accuracy, CVC Cross-validation consistently, CI Confidence interval, OR Odds ratio
  2. p values were calculated by χ2 test
  3. p < 0.01 indicates statistical strongly significant