Table 4:

Relationship between maximum mouth opening, gender and age.

Variable	Mean ± SD	p-value	t-test
Gender
Male	53.51 ± 8.91	0.01	6.38
Female	49.27 ± 6.67
Age
<20	49.21 ± 6.98
20 – 29	52.46 ± 9.03
30 – 39	52.51 ± 6.35	0.001	3.20
40 – 49	48.42 ± 6.32
50 – 59	48.13 ± 6.03
60 – 69	47.33 ± 8.74
70 and above	38.00 ± 9.64