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. 2011 Jan 7;469(7):2062–2071. doi: 10.1007/s11999-010-1744-3

Table 4.

Heterogeneity statistics.

Variable I2 p Value
Percent of patients with pain relief 16% 0.28
Percent of patients with synovitic recurrence 0% 0.52
Percent of patients with radiographic progression 61% 0.11
Percent of patients who underwent TJA 0% 0.49
Synovectomy improved range of motion 91% 0.001

I2 = statistic that describes portion of variation between studies that can be attributed to heterogeneity of data; TJA = total joint arthroplasty.