\

TABLE X CHI-SQUARE DISTRIBUTION NASOLABIAL ANGLE

CAUCASIANS

N=40

# %
AFRICAN AMERICANS

N=40

# %
Pre- and Post Treatment within Desirable Range
Improved with Treatment
Pre- and Post Treatment out of Desirable Range
Pre-treatment Within and Post-treatment out of Desirable Range
10 25
6 15
22* 55
2** 5
10 25
9 22.5
16 40
5 12.5

* Two patients started in acute and finished acute. Twenty started obtuse and finished obtuse.

** Both finished obtuse.