A prospective comparative study of local infiltration versus adductor block versus combined use of the two techniques following knee arthroplasty

Table 1 Comparison of study parameters between groups (Pair-wise)

	LIA (Group I) (Mean ± SD)	ACB (Group II) (Mean ± SD)	ACB AND LIA (Group III) (Mean ± SD)	p-value
	LIA (Group I) (Mean ± SD)	ACB (Group II) (Mean ± SD)	ACB AND LIA (Group III) (Mean ± SD)	Group (I vs. II)	Group (I vs. III)	Group (II vs. III)
Age (Years)	65.7 ± 10	67.2 ± 8	68.2 ± 8.3	0.743	0.431	0.868
Flexion of knee on 1st POD	78.3 ± 6.4	77 ± 7.6	80.3 ± 4.2	0.641	0.324	0.054
Pain Score
0 HR	2 ± 0.7	2.3 ± 1.5	1.8 ± 1	0.523	0.709	0.149
6 HR	2.8 ± 1.2	2.8 ± 1.2	2.3 ± 1.3	1.000	0.166	0.166
12 HR	2.5 ± 1.2	3 ± 1.1	2.4 ± 1	0.078	0.873	0.023*
24 HR	2.7 ± 1.1	3.4 ± 1	2.6 ± 1.2	0.018*	0.866	0.004*
Change (0 to 24 h)	0.70 ± .12	1.1 ± 1.69	0.77 ± 1.44
p–value of Change	0.001*	0.0001*	0.002*
Consumption of Fentanyl
0–6 HR	6 ± 4.1	7.4 ± 5.6	3.5 ± 3.8	0.360	0.042*	0.001*
6–12 HR	8.1 ± 6.1	10.6 ± 7.1	5.7 ± 4.8	0.172	0.179	0.001*
12–24 HR	9.2 ± 6.7	11 ± 6.3	6.6 ± 5.5	0.367	0.160	0.005*
Change (0–6 to 12–24 h)	3.20 ± 5.99	3.67 ± 5.82	3.15 ± 5.17
p–value of Change	0.002*	0.0001*	0.0001*
WOMAC Score
Pre-operative	61.7 ± 6.6	62.9 ± 8.1	61.5 ± 10.1	0.799	0.998	0.761
2 Weeks follow up	55.2 ± 6.4	55.9 ± 7.8	55 ± 9.5	0.919	0.989	0.856
6 weeks follow up	27.7 ± 5.2	27.3 ± 5.8	29 ± 6.6	0.950	0.574	0.392
Change (Pre Op to 6 weeks)	33.97 ± 4.45	35.57 ± 4.81	32.52 ± 5.13
p–value of Change	0.0001*	0.0001*	0.0001*

*p-value < 0.005, statistically significant; #-Independent t-test; ##-One WAY ANOVA Tests

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