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Table 8 Statistical tests on age groups and sex with interactions for CRASH data

From: Effect of sex and age on traumatic brain injury: a geographical comparative study

CRASH data

Tests

Sex (Female)

Adult

Young

Sex*Adult

Sex*Young

Binary logistic model

P-value

<0.001

<0.001

<0.001

0.018

0.024

 

CI

0.372 ∼ 0.752

1.367 ∼ 2.181

2.339 ∼ 3.935

1.089 ∼ 2.447

1.076 ∼ 2.819

 

Odds

0.529

1.727

3.034

1.633

1.742

Proportional odds model

CI

0.415 ∼ 0.796

1.073 ∼ 1.598

1.671 ∼ 2.545

1.214 ∼ 2.496

1.252 ∼ 2.759

 

Odds

0.574

1.309

2.062

1.741

1.858

Sliding dichotomy model

P-value

0.615

0.803

0.697

0.594

0.37

 

CI

0.682 ∼ 1.905

0.712 ∼ 1.302

0.686 ∼ 1.286

0.489 ∼ 1.505

0.423 ∼ 1.378

 

Odds

1.141

0.962

0.939

0.858

0.763

  1. The reference level for sex was ‘male’ and age groups was ‘old’