Use of Mitomycin C to reduce the incidence of encapsulated cysts following ahmed glaucoma valve implantation in refractory glaucoma patients: a new technique

Table 1 Demographic and preoperative data of different group patients

	New technique (n = 38)	Traditional (n = 41)	P
Age (y), mean ± SD	42.34 ± 13.69	38.29 ± 15.32	0.220^a
Sex			0.150^b
Male, n (%)	23 (60.5)	31 (75.6)
Female, n (%)	15 (39.5)	10 (24.4)
Mean IOP (mm Hg), mean ± SD	41.97 ± 10.58	43.15 ± 9.63	0.608^a
Mean glaucoma medication,mean ± SD	3.13 ± 0.58	3.24 ± 0.92	0.460^c
Mean follow-up time (month), mean ± SD	19.89 ± 8.29	18.10 ± 8.71	0.938^a
Mean best corrected visual acuity (logMAR)	1.82 ± 1.25	2.24 ± 1.11	0.107^c
Mean MMC concentration (mg/ml)	0.29 ± 0.04	0.28 ± 0.04	0.155^a
Mean MMC duration (min)	3.24 ± 0.97	3.00 ± 1.02	0.296^a
Previous glaucoma surgeries history, n (%)	17 (44.7)	19 (46.3)	0.886^b
Diagnosis			0.992^b
Uveitic glaucoma, n (%)	10 (26.3)	11 (26.8)
NVG, n (%)	13 (34.2)	15 (36.6)
Traumatic glaucoma, n (%)	4 (10.5)	3 (7.3)
ICE syndrome, n (%)	2 (5.3)	2 (4.9)
Failed trabeculectomy, n (%)	9 (23.7)	10 (24.4)

^aindependent sample t test.
^bchi-square test.
^cMann–Whitney U test.
Abbreviations: SD indicates standard deviation, IOP introcular pressure, MMC mitomycin C, NVG neovascular glaucoma, ICE Irido-corneal endothelial.

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