Table 6.

Extrusion rates from 39 reported studies pooled according to different factors[9–15,18,19,25–54]^*

	# Studies pooled	Extrusions	total tubes	Extrusion rate %	Standard deviation	95% Confidence interval
Adults	19	37	1505	2.5	2.31	0.033
Children	12	26	467	5.6	1.99	0.036
Mixed population	8	14	1071	1.3	2.05	0.045
Total	39	77	3043	2.5	2.11	0.021
Patch	33	69	2654	2.5	2.19	0.024
Scleral flap	4	8	249	3.2	1.41	0.044
No-patch	2	0	40	0.0	0	N/A
No-Patch plus our series	3	0	168	0	0	N/A
Mitomycin C in all or some	7	23	1065	2.2	1.99	0.047
No-mitomycin C	32	54	1978	2.7	2.28	0.025

^*For full list of the additional 31 references we used, please email the corresponding author