Table 4 Association of combined medications with the development of dementia with possible AD after TBI occurrence

A. Reference group = no medication

p values

Hazard ratio

95% confidence interval

< .0001

1.11

1.09

1.13

0.42

0.72

0.33

1.58

0.40

0.78

0.44

1.38

0.01

1.93

1.19

3.12

0.68

1.24

0.45

3.38

0.14

0.63

0.34

1.17

0.01

0.44

0.23

0.85

0.04

0.21

0.05

0.90

0.11

0.63

0.35

1.11

0.23

0.47

0.14

1.60

0.45

1.32

0.65

2.70

0.07

1.00

1.00

1.00

0.55

0.83

0.46

1.52

0.23

0.62

0.28

1.37

< .0001

2.18

1.31

3.63

0.55

0.84

0.49

1.47

0.38

0.62

0.22

1.78

0.34

0.76

0.43

1.34

0.62

0.87

0.51

1.50

0.16

1.31

0.90

1.90

0.09

1.40

0.95

2.06

0.15

0.24

0.03

1.70

0.45

0.56

0.13

2.47

0.86

1.04

0.69

1.57

0.61

1.18

0.62

2.24

0.97

0.99

0.55

1.77

0.38

1.24

0.77

2.01

0.32

1.25

0.81

1.94

0.59

1.20

0.63

2.28

0.11

0.63

0.36

1.11

0.50

1.27

0.63

2.55

0.78

1.06

0.72

1.57

0.07

0.48

0.21

1.08

< .0001

1.04

1.02

1.07

B. Reference group = no medication or statin + metformin

No med as the reference

Statin + metformin as the reference

95% CI

95% CI