Table 4.

Postoperative complications and procedures for each age group

	Pediatric group		Adult group		P value
	N	%	N	%
Complications (within first 6 months)
Hypotony	27	39.1	53	36.6	0.716
Choroidal effusion/detachment	15	21.7	39	26.9	0.417
Uveitis	6	8.7	13	9.0	0.948
Bleb encapsulation	1	1.4	1	0.7	0.542
Tube retraction	0	0.0	1	0.7	1.000
Corneal decompensation	0	0.0	4	2.8	0.308
Endophthalmitis	2	2.9	0	0.0	0.103
Retinal detachment	1	1.4	1	0.7	0.542
Cataracta	8	20.5	10	14.7	0.440
Postoperative procedures (within first 6 months)
Intracameral injection of viscoelastic	27	39.1	48	33.1	0.388
Tying tube off	4	5.8	20	13.8	0.083
Removal/adjustment of stent suture	29	42.0	38	26.2	0.020*
Tube shortening/repositioning	2	2.9	4	2.8	1.000
Bleb needling or bleb revision	1	1.4	1	0.7	0.542
Lensectomya	3	7.7	2	2.9	0.352
Complications (later than 6 months)
Hypotony	9	13.4	14	9.7	0.421
Choroidal effusion/detachment	4	6.0	7	4.9	0.746
Uveitis	8	11.9	13	9.0	0.511
Bleb encapsulation	11	16.4	4	2.8	0.001*
Tube retraction	3	4.5	1	0.7	0.095
Corneal decompensation	8	11.9	22	15.3	0.518
Endophthalmitis	2	3.0	2	1.4	0.593
Retinal detachment	3	4.5	4	2.8	0.682
Cataracta	8	22.9	8	11.9	0.150
Postoperative procedures (later than 6 months)
Intracameral injection of viscoelastic	3	4.5	15	10.4	0.151
Tying tube off	7	10.4	8	5.6	0.250
Removal/adjustment of stent suture	21	31.3	49	34.0	0.700
Tube shortening/repositioning	21	31.3	15	10.4	<0.001*
Bleb needling or bleb revision	10	14.9	5	3.5	0.007*
Lensectomya	14	40.0	21	31.3	0.382

^aOnly phakic patients included

Chi-square or Fisher’s exact test were used where appropriate

*Denotes statistical significance