Table 5.

Comparative effect of clonazepam versus nortryptiline on mean physical symptom score

Duration	Mean±SD		T	P	Statistical significance
	Clonazepam (n=39)	Nortryptiline (n=31)
Baseline	6.92±3.11	6.26±3.17	0.87	0.384	NS
4 weeks	6.49±2.79####	6.13±2.90	0.52	0.599	NS
8 weeks	5.87±2.38####	5.71±2.74####	0.26	0.794	NS

The data is shown as mean±SD. Paired t-test in comparison to respective baselines ^##P<0.01, ^###P<0.001, NS: Comparison between the groups at baseline, 4 weeks and 8 weeks with student unpaired t-test *P<0.05, P<0.01, P<0.001, NS Not significant, SD: Standard deviation