Table 3.

Shows the mean values of pulse rate (beats/minute) and blood pressure (mmHg) over 4-months post-operative period and their significance:

	Pre-operative	6 weeks post-operative		4 months post- operative
	Mean ± S.D.	Mean ± S.D.	P value*	Mean ± S.D.	P value**
Pulse rate	83.15 ± 9.7	81.8 ± 8.9	NS	80.7 ± 9.2	0.02#
Systolic B.P.	128.3 ± 12.2	118.8 ± 10.9	< 0.001$#	116.5 ± 8.5	< 0.001$#
Diastolic B.P.	80.3 ± 8.5	79.3 ± 6.7	NS	79.5 ± 5.6	NS

* Paired t-test for comparing preoperative with 6 weeks postoperative findings.

** Paired t-test for comparing preoperative with 4 months postoperative findings.

^# Significant difference at p value ≤ 0.05

^$Significant difference at p value < 0.01

^$#Significant difference at p value < 0.001