Table 5.

Prospectively collected results.

	Studies, n	Participants, n	Pooled estimate of effect size	95% CI	I2 test	Q-test	df	P-value	Statistical model
Union	8	686	91.0%	88.7%–93.1%	47.1%	13.2	7	0.0666	Fixed effects
Early union	6	462	43.8%	27.0%–61.2%	93.1%	72.6	5	<0.0001	Random effects
Delayed union	6	462	60.0%	32.2%–84.6%	97.3%	186.9	5	<0.0001	Random effects
Non-union	9	798	8.5%	6.7%–10.7%	34.2%	12.2	8	0.1444	Fixed effects
Malunion	7	574	9.1%	4.2%–15.5%	82.4%	34.0	6	<0.0001	Random effects
Deep infection	10	917	8.4%	5.2%–12.3%	74.2%	34.8	9	0.0001	Random effects