Table 2.

Incidence and severity of CRBD presented as numbers (n)

Time	T0			T1			T2			T6
Group	L	D	C	L	D	C	L	D	C	L	D	C
Incidence	17	13*	26#	18	15*	28#	13	11*	23#	7	5	9
Severity
No	22	25*	13#	21	23*	11#	26	27*	16#	32	33	30
Mild	9	7	9	8	6	9	6	6	13	7	5	9
Moderate	8	6	13	10	9	17	7	5	10	0	0	0
Severe	0	0	4	0	0	2	0	0	0	0	0	0

*P < 0.05, There is significant difference between group D and group C. ^#P < 0.05, There is significant difference between group L and group C