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Table 3 Outcome measurements and adjusted intergroup differences

From: Platelet-rich plasma versus lidocaine as tenotomy adjuvants in people with elbow epicondylopathy: a randomized controlled trial

 

Unadjusted change

Odds ratio (95% CI)

Outcome

Lidocaine

PRP

Treatment-time measurement interaction (p value)

Unadjusted

Adjusteda

% meeting DASH-E improvement, no./total no. (%)

  

.307

  

 6–7 weeks

11/24 (45.83)

10/28 (35.71)

 

1.37 (0.31 to 6.04)

1.33 (0.31 to 5.71)

 3 months

20/24 (83.33)

17/29 (58.62)

 

4.73 (0.86 to 26.08)

5.67 (0.98 to 32.74)

 6 months

18/25 (72.00)

19/26 (73.08)

 

0.90 (0.17 to 4.60)

1.15 (0.22 to 5.95)

 12 months

17/24 (70.83)

19/25 (76.00)

 

0.71 (0.13 to 3.84)

0.91 (0.17 to 4.88)

% meeting VAS-P improvement, no./total no. (%)

  

.105

  

 6–7 weeks

19/30 (63.33)

13/31 (41.94)

 

2.42 (0.67 to 8.76)

2.67 (0.74 to 9.68)

 3 months

22/29 (75.86)

16/28 (57.14)

 

2.78 (0.68 to 11.38)

2.92 (0.71 to 12.04)

 6 months

21/29 (72.41)

22/26 (84.62)

 

0.48 (0.10 to 2.37)

0.50 (0.10 to 2.48)

 12 months

19/25 (76.00)

20/22 (90.91)

 

0.35 80.06 to 2.51)

0.42 (0.06 to 3.03)

Median DASH-E scores (IQR)

  

.429

  

 6-7 weeks

30.17 (30.0)

40.59 (34.86)

 

NA

NA

 3 months

16.49 (29.04)

31.73 (34.94)

 

NA

NA

 6 months

12.93 (28.44)

14.25 (26.66)

 

NA

NA

 12 months

7.50 (31.15)

9.17 (24.17)

 

NA

NA

Median VAS-P scores (IQR)

  

.441

  

 6–7 weeks

4.00 (3.00)

4.25 (4.75)

 

NA

NA

 3 months

2.00 (2.50)

4.00 (5.00)

 

NA

NA

 6 months

2.00 (4.40)

2.00 (3.50)

 

NA

NA

 12 months

2.00 (3.50)

2.00 (4.00)

 

NA

NA

  1. CI confidence interval, DASH-E Spanish version of the Disabilities of the Arm, Shoulder and Hand questionnaires, IQR interquartile range, NA not applicable, no number, VAS-P visual analogue scale for pain assessment
  2. a% meeting DASH-E and VAS-P improvement were adjusted for the degree of vascularization before treatment