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Table 2 Overview of PDQ-39 total scores for pramipexole and placebo

From: Efficacy of pramipexole on quality of life in patients with Parkinson’s disease: a systematic review and meta-analysis

 

Baseline, mean (SD/IQR)

Change from baseline, baselinefollow-up (SE/95% CI)

Mean difference between treatment groups, PPX vs PBO (SE)

PPX

PBO

PPX

PBO

Schapira, 2013a [27]

12.5 (10.1)

12.2 (9.9)

–0.1 (7.3)

2.5 (9.0)

–2.60 (0.74)

Poewe, 2011b,c [22]

ER: 30.8 (21.5)

IR: 29.8 (20.8)

28.6 (22.8)

ER: –3.8 (–5.9 to –1.8)

IR: –6.5 (–8.6 to –4.5)

–1.5 (–4.4 to 1.5)

–3.68 (2.19)

Schapira, 2011c [23]

ER: 53.1 (27.6)

IR: 53.3 (26.9)

51.1 (28.3)

ER: –9.1 (1.9)

IR: –13.1 (1.8)

–6.2 (1.8)

–5.0 (3.12)

Sampaio, 2011 [26]

18.9 (13.8)

17.4 (14.9)

–0.9 (0.9)

0.1 (0.9)

–1.0 (1.18)

Kieburtz, 2011c,d [24]

0.5 mg bid: 12.2 (8.9)

0.75 mg bid: 14.4 (9.1)

0.5 mg tid: 12.0 (8.3)

12.8 (11.5)

NA

NA

–1.72 (1.15)

Poewe, 2007b [25]

32.9 (14.02)

34.8 (13.91)

–5.1 (10.1)

–1.3 (9.4)

–3.80 (1.18)

  1. aMean data obtained from clinical trial report (only median data reported in original publication)
  2. bBaseline data for 2011 Poewe study was obtained from clinical trial report and for 2007 Poewe study from the study sponsor (UCB Biosciences)
  3. cMean differences between treatment groups are pooled (ER/IR and multiformulation studies)
  4. dChange from baseline and mean difference between treatment groups data were not available in the original publication. Treatment effect was used for the analyses in this study. bid, twice daily; CI, confidence interval; ER, extended release; IQR, interquartile range; IR, immediate release; NA, not available; PBO, placebo; PD, Parkinson’s disease; PDQ-39, Parkinson’s Disease Questionnaire; PPX, pramipexole; SD, standard deviation; SE, standard error; tid, three times daily