Meta-analysis on the effectiveness of team-based learning on medical education in China

BMC Medical Education

Table 4 Meta-regression analysis of 13 studies for exploration of the sources of heterogeneity

Factors	Coefficient	Standard error	95% Confidence interval	P
Quality score	−0.02	0.50	−1.12-1.09	0.975
Student number	0.38	0.60	−1.15-1.91	0.550
Randomization	−4.28	1.30	−7.61--0.95	0.021
Source of participants	2.69	0.98	0.16–5.21	0.041
Disciplines or curricula	1.08	1.31	−2.29-4.45	0.447
Gender	0.64	1.15	−2.31-3.58	0.602
Allocation concealment	1.18	1.85	−3.56-5.92	0.551
Control for important factors	0.39	1.38	−3.16-3.93	0.791

Meta-regression analysis, given the multi-collinearity, the meta-regression models were built for quality scores and methodological quality factors, respectively; randomization was coded as no(0) or yes(1); source of participants was coded as medical college students(0) or undergraduate students(1)

ISSN: 1472-6920