Pulsed radiofrequency ablation of genicular nerve versus intra-articular radiofrequency ablation combined with platelets rich plasma for chronic kneeosteoarthritis

Figures & data

Figure 1. Flow chart of patients

Figure 2. Comparison between the two studied groups according to VAS

Figure 3. Comparison between the two studied groups according to WOMAC

Figure 4. Comparison between the two studied groups according to IKDC score

Table 1. Comparison between the two studied groups according to demographic data

Demographic data	Group I (n = 30)			Group II (n = 30)			p
Age (years)
Min. – Max.	44.0–60.0			49.0–64.0			0.066
Mean ± SD.	53.30 ± 5.51			55.60 ± 3.83
Sex	No.		%	No.		%
Male	12		40.0	10		33.3	0.592
Female	18		60.0	20		66.7
BMI (kg/m^2)
Min. – Max.	30.0–42.0			31.0–40.50			0.239
Mean ± SD.	34.15 ± 3.09			35.07 ± 2.86
Duration of pain (Days)
Min. – Max.	180.0–360.0			190.0–370.0			0.619
Mean ± SD.	258.7 ± 68.16			267.0 ± 60.75
Grade of OA	No.	%			No. %
I	12	40.0			12 40.0		1.000
II	18	60.0			18 60.0

Table 2. Comparison between the two studied groups according to VAS

VAS	Group I (n = 30)	p1	Group II (n = 30)	p1	P
baseline
Median (Min. – Max.)	6.0 (5.0–8.0)		6.0 (5.0–7.0)		0.565
Mean ± SD.	6.03 ± 0.81		5.90 ± 0.71
at end of procedure
Median (Min. – Max.)	3.0 (0.0–4.0)	<0.001*	3.0 (0.0–3.0)	<0.001*	0.003*
Mean ± SD.	2.80 ± 1.19		1.80 ± 1.49
3 month
Median (Min. – Max.)	0.0 (0.0–4.0)	<0.001*	0.0 (0.0–3.0)	<0.001*	0.097
Mean ± SD.	1.43 ± 1.57		0.80 ± 1.35
6 month
Median (Min. – Max.)	6.0(3.0–7.0)	0.255	0.0 (0.0–3.0)	<0.001*	<0.001*
Mean ± SD.	5.20 ± 1.45		1.40 ± 1.52
12 month
Median (Min. – Max.)	6.0(4.0–4.0)	0.972	5.0 (3.0–6.0)	0.270	0.012*
Mean ± SD.	5.57 ± 1.17		4.83 ± 0.95

Table 3. Comparison between the two studied groups according to WOMAC, IKDC and knee joint score

	Group I (n = 30)	p1	Group II (n = 30)	p1	p
IKDC score
Baseline
Min. – Max.	50.0–60.10		51.70–56.0		0.764
Mean ± SD.	53.69 ± 2.16		53.54 ± 1.56
3 month
Min. – Max.	52.40–70.20	<0.001*	62.20–72.70	<0.001*	<0.001*
Mean ± SD.	62.18 ± 4.04		68.06 ± 2.83
6 month
Min. – Max.	50.10–69.20	0.996	55.70–72.50	<0.001*	<0.001*
Mean ± SD.	55.43 ± .16		67.61 ± 3.17
12 month
Min. – Max.	49.80–61.40	1.000	55.70–67.60	<0.001*	<0.001*
Mean ± SD.	54.30 ± 3.12		61.74 ± 2.96
WOMAC
Baseline
Min. – Max.	48.0–65.0		50.0–65.0		0.147
Mean ± SD.	55.30 ± 4.66		53.70 ± 3.72
3 month
Min. – Max.	30.0–50.0	<0.001*	35.0–47.0	<0.001*	0.035*
Mean ± SD.	41.30 ± 5.23		38.93 ± 2.86
6 month
Min. – Max.	40.0–60.0	0.086	30.0–42.0	<0.001*	<0.001*
Mean ± SD.	52.10 ± 5.62		36.0 ± 3.36
12 month
Min. – Max.	44.0–60.0	0.261	35.0–51.0	<0.001*	<0.001*
Mean ± SD.	53.50 ± 4.22		46.60 ± 3.23
Knee joint us score
Baseline
Median (Min. – Max.)	3.0 (3.0–6.0)		5.0 (3.0–6.0)		0.160
Mean ± SD.	3.97 ± 1.33		4.47 ± 1.43
3 month
Median (Min. – Max.)	3.0 (2.0–6.0)	0.841	3.0 (2.0–6.0)	<0.001*	0.028*
Mean ± SD.	3.93 ± 1.36		3.37 ± 1.47
6 month
Median (Min. – Max.)	3.0 (2.0–6.0)	0.841	3.0 (2.0–6.0)	<0.001*	0.028*
Mean ± SD.	3.93 ± 1.36		3.37 ± 1.47
12 month
Median (Min. – Max.)	3.0(3.0–6.0)	0.180	3.0 (2.0–6.0)	0.001*	0.109
Mean ± SD.	4.13 ± 1.36		3.67 ± 1.47