Table 5.

Comparison to the treatment effects between these two groups ($n$, %)

Groups	Good	Acceptable	Poor	Valid
Observation group ($n=$ 152)	84 (54.56)	39 (25.66)	29 (19.08)	123 (80.92)
Control group ($n=$ 144)	65 (45.14)	35 (24.31)	44 (30.56)	100 (69.44)
${\chi }^2$ value				4.643
$P$ value				0.031