Efficacy and Effectiveness of Exercise on Tender Points in Adults with Fibromyalgia: A Meta-Analysis of Randomized Controlled Trials

Table 2

Baseline characteristics of exercise and control groups.

	Exercise			Control			Difference	Heterogeneity	Inconsistency
Variable	N	𝑋±SD	Mdn (IQR)	N	𝑋±SD	Mdn (IQR)	𝑋 (95% CI)	Q (p)	𝐼^2 (95% CI)
Age (years)	10	46.1 ± 6.1	45 (9)	9	47.3 ± 6.0	47 (6)	−0.5 (−2.1, 1.0)	13.5 (0.14)	33.1% (0, 68.1)
FM Symptoms (years)	8	11.4 ± 5.1	9 (4)	8	11.2 ± 3.8	10 (5)	0.04 (−1.2, 1.2)	5.1 (0.65)	0% (0, 56.0%)
FM Diagnosis (years)	4	4.2 ± 2.3	3 (4)	3	5.1 ± 2.2	4 (4)	−0.5 (−1.3, 0.3)	1.4 (0.71)	0% (0%, 72.0%)

Notes: FM, fibromyalgia syndrome; N, number of groups reporting data; 𝑋±SD, mean ± standard deviation; Mdn (IQR), median and interquartile range; 𝑋 (95% CI), mean and 95% confidence intervals; Q (p), heterogeneity statistic and alpha value; 𝐼² (95% CI), percent inconsistency and 95% confidence interval.