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Table 3 Prediction of academic success in development sample A and validation sample B; Target variable: SUCCESS (qualified for the first step of the medical exam after 2 years)

From: Dimensionality and predictive validity of the HAM-Nat, a test of natural sciences for medical school admission

  

Development Sample A

Validation Sample B

Total sample

 

Predictor variable 1

odds ratio

p

95%-CI

odds ratio

p

95%-CI

odds ratio

p

95%-CI

1

HAM-Nat-raw

2.23

.001

1.41

3.54

1.80

.003

1.24

2.62

1.97

.000

1.47

2.63

2

HAM-Nat-uni

2.05

.001

1.33

3.17

1.70

.005

1.18

2.45

1.84

.000

1.39

2.43

3

HAM-Nat-biology

1.76

.002

1.22

2.53

1.65

.004

1.17

2.33

1.70

.000

1.32

2.18

4

HAM-Nat-physics

1.77

.005

1.19

2.65

1.54

.021

1.07

2.23

1.65

.000

1.26

2.16

5

HAM-Nat-chemistry

1.59

.019

1.08

2.35

1.40

.056

0.99

1.97

1.48

.003

1.15

1.91

6

HAM-Nat-BPC

2.23

.001

1.40

3.53

1.78

.003

1.22

2.59

1.95

.000

1.46

2.61

7

HAM-Nat-BPCw

2.25

.000

1.44

3.53

1.85

.002

1.26

2.72

2.01

.000

1.50

2.69

8

HAM-Nat-corrmax

3.02

.000

1.83

5.00

1.67

.005

1.16

2.40

2.12

.000

1.58

2.84

  1. Logistic regression
  2. 1 All predictor variables are z-transformed. Two persons differing in their scores by 1 standard deviation will differ in their odds to achieve success after two years by the odds ratio. For scale definitions see Table 2
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BMC Medical Education

ISSN: 1472-6920

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