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Table 2 Primary outcomes.

From: Single or Multiple Electroacupuncture Sessions in Nonspecific Low Back Pain: Are We Low-Responders to Electroacupuncture?

Groups

Time

VAS

PPT

MPQ

RMDQ

   

Left

Right

  

VAS <3,

AVO

7.60 (7.14–8.05)

5.68 (4.40–6.96)

6.04 (4.98–7.10)

14.31 (15.85–12.74)

9.75 (7.56–11.93)

n = 20

AV1

1.80* (1.29–2.30)

13.67* (12.08–15.25)

14.38* (12.73–16.03)

10.00* (11.00–8.99)

8.65 (6.31–11.18)

 

AV2

7.3 (6.76–7.83)

5.48 (4.16–6.81)

5.21 (4.04–6.37)

12.40 (13.81–10.98)

11.40 (9.07–13.72)

VAS > 3,

AVO

7.45 (6.92–7.97)

5.29 (4.03–6.65)

5.57 (4.40–6.74)

14.65 (16.53–12.76)

11.00 (8.60–13.39)

n = 20

AV1

6.55# (5.93–7.16)

8.33*# (7.00–9.67)

8.63*# (7.28–9.97)

13.60 (16.01–11.18)

8.75 (6.31–11.18)

 

AV2

4.51*# (3.64–5.35)

13.38*# (11.73–15.03)

12.14*# (10.52–13.77)

8.55*# (10.20–6.89)

5.80*# (3.58–8.01)

  1. AVO = first evaluation; AV1 = evaluation one week after EA; AV2 = evaluation after three weeks; CI = confidence interval; EA = electroacupuncture; MPQ = McGill Pain Questionnaire; PPT = pressure pain threshold; RMDQ = Rolling Morris disability questionnaire; VAS = visual analog score.
  2. Data are presented as mean (95% CI). ’Significantly different from instant preintragroup (p < 0,05); Significantly different from same instant intergroup (p < 0,05).