References | Year | Country | N | Uric acid levels (μM/L) | Weight (%) | SMD | 95% CI | ||
---|---|---|---|---|---|---|---|---|---|
PD | Control | PD | Control | ||||||
Annanmaki et al8 | 2007 | Finland | 40 | 29 | 278.5±77.4 | 319.7±76.0 | 10.64 | −0.54 | (−1.02 to −0.05) |
Andreadou et al9 | 2009 | Greece | 43 | 47 | 325.4±83.3 | 378.3±255.8 | 12.74 | −0.27 | (−0.69 to 0.14) |
Annanmaki et al12 | 2011 | Finland | 28 | 12 | 285.0±63.8 | 309.1±87.5 | 6.72 | −0.34 | (−1.02 to 0.34) |
Zhang et al13 | 2012 | China | 534 | 614 | 278.10±87.31 | 348.17±86.25 | 24.88 | −0.81 | (−0.93 to −0.69) |
Sun et al15 | 2012 | China | 411 | 396 | 243.38±78.91 | 282.97±90.80 | 24.15 | −0.47 | (−0.61 to −0.33) |
Jesús et al14 | 2013 | Spain | 161 | 178 | 278.4±98.7 | 319.4±95.2 | 20.87 | −0.42 | (−0.64 to −0.21) |
PD, Parkinson's disease; SMD, standardised mean difference.