Table 5. Summary of outlier outcomes by indicator.

			Overall a			Subgroup
Indicator	Feature	n	Pre (%)	Post (%)	n	Pre b (%)	n	Post c (%)
P ≤ 10−5	high significance	5	1 (20)	3 (60)	10	4 (40)	7	4 (57)
Random-effects	heterogeneity	5	5 (100)	1 (20)	10	8 (80)	7	0 (0)
I2 = 0%	homogeneity	5	0 (0)	2 (40)	10	2 (20)	7	7 (100)

n: number of indicators

^a: data from Table 2

^b: data from Table 3

^c: data from Table 4; Pre; pre-outlier; Post: post-outlier