Index

Age Group (# of subjects)

Conditions

Mean

Standard deviation

t

T-test/P-value

Decayed surfaces

7-12yrs (93)

Asthmatic

1.34

0.83

6.39

0.000*

Non-asthmatic

0.62

0.70

13-17yrs (10)

Asthmatic

1.32

0.68

1.75

0.097

Non-asthmatic

0.94

0.09

Missing surfaces

7-12yrs (93)

Asthmatic

0.10

0.28

3.28

0.001*

Non-asthmatic

0.00

0.09

13-17yrs (10)

Asthmatic

0.21

0.31

0.07

0.941

Non-asthmatic

0.20

0.29

Filled surfaces

7-12yrs (93)

Asthmatic

0.42

0.52

4.15

0.000*

Non-asthmatic

0.14

0.39

13-17yrs (10)

Asthmatic

0.31

0.16

2.83

0.011*

Non-asthmatic

0.12

0.14

DMFS

7-12yrs (93)

Asthmatic

1.86

1.12

7.61

0.000*

Non-asthmatic

0.76

0.83

13-17yrs (10)

Asthmatic

1.84

1.22

1.16

0.262

Non-asthmatic

1.26

1.01