Table 2.

Comparison of clinical variables in the three treatment groups

Clinical variables	Treatment group	Mean±SD	df	F	P
Age (years)	Lithium	15.33±1.72	2	0.28	0.756
	Carbamazepine	15.40±1.50
	Sodium valproate	15.70±1.75
Total number of past manic episode	Lithium	0.16±0.46	2	1.71	0.188
	Carbamazepine	0.30±0.732
	Sodium valproate	0.52±0.79
Past number of depressive episodes	Lithium	0.26±0.44	2	0.71	0.491
	Carbamazepine	0.20±0.41
	Sodium valproate	0.11±0.33
Duration of index episode (days)	Lithium	48.93±54.45	2	0.44	0.643
	Carbamazepine	34.90±36.19
	Sodium valproate	48.11±70.90
Total number of episodes (including index episode)	Lithium	1.43±0.67	2	0.59	0.556
	Carbamazepine	1.40±0.75
	Sodium valproate	1.64±0.86

df – Degree of freedom; P<0.05; F – ANOVA value. SD – Standard deviation