From: A prospective, randomized controlled, double-blinded study comparing dexmedetomidine and clonidine as an adjuvant to ropivacaine in femoral nerve block for postoperative analgesia in patients undergoing total knee arthroplasty
Demographics
Group 1
Group 2
p value
Age
0.649
≤ 50 yrs
3
2
51–60 yrs
20
17
61 and above
21
Sex
0.633
Males
14
12
Females
26
28
Weight kgs
71.38 ± 9.588
72.8 ± 9.258
0.501
ASA-PS
0.638
I
5
II
31
III
4
6