[Table/Fig-6]:

Haemodynamics

			Tramadol (n=20)	Pethidine (n=20)	t	p
Basal		Mean BP	87.45±7.149	87.15±6.277	2.026	0.888	NS
		Mean PR	81.3±15.32	76.6±7.989	2.045	0.233	NS
During Shivering		Mean BP	96.65±17.44	92.1±6.24	2.064	0.283	NS
		Mean PR	86.55±18.09	82.15±8.235	2.052	0.331	NS
Post Drug admin-istration	2 Min	Mean BP	92.8±9.78	89.6±6.295	2.037	0.746	NS
		Mean PR	83.95±8.42	81.7±8.06	2.055	0.621	NS
	5 Min	Mean BP	91.25±9.239	89.6±6.46	2.032	0.517	NS
		Mean PR	84.65±17.16	80.4±7.83	2.052	0.322	NS