TABLE 2.

Univariate and multivariate hazard models

Variables	Criterion 1		Criterion 2		Criterion 3
	Hazard ratio	p	Hazard ratio	p	Hazard ratio	p
Univariate
Age	1.00	0.61	1.00	0.68	1.01	0.32
Sex (male)	1.09	0.71	0.84	0.33	0.75	0.12
Prior surgery (compared to no prior surgery)
Prior cataract	1.35	0.31	1.12	0.63	1.20	0.43
Prior
Trabeculectomy	0.61	0.40	1.14	0.73	1.36	0.40
Prior
Trabeculectomy and cataract	1.36	0.42	0.85	0.63	1.44	0.22
Depot steroids	1.15	0.56	1.01	0.98	1.02	0.93
No. preoperative medications	1.05	0.70	0.95	0.58	1.00	0.96
No. postoperative medications	1.32	0.02*	1.10	0.38	0.68	0.02*
Ethnicity (Caucasian)	1.00	0.98	0.71	0.16	0.93	0.75
Needling	1.02	0.86	1.07	0.47	0.86	0.19
Mitomycin C dose (compared to 37.5 μg)
Nil	2.99	0.04	2.61	0.04	1.41	0.63
5 μg	1.43	0.15	1.20	0.32	1.06	0.74
Types of Glaucoma (compared to POAG)
ACG	3.70	0.002**	1.72	0.16	1.25	0.62
Congenital	7.45	0.001***	3.08	0.03*	0.84	0.87
Uveitic	5.70	0.02*	2.49	0.20	7.46	0.006**
Site of entry (compared to TM)
Schwalbes line	0.29	0.09	0.59	0.17	0.74	0.41
Cornea	2.52	0.21	1.25	0.76	1.02	0.97
Scleral spur	1.09	0.75	1.27	0.26	0.72	0.18
Ciliary body	0.84	0.58	1.06	0.84	1.28	0.35
Multivariate
No. postoperative medications	1.13	0.43	0.99	0.95	0.58	0.007**
Mitomycin C dose (compared to 37.5 μg)
Nil	4.93	0.03*	4.11	0.02*	2.38	0.27
5 μg	2.26	0.10	2.03	0.06	1.16	0.71
Types of Glaucoma (compared to POAG)
ACG	3.83	0.03	1.94	0.20	1.66	0.36
Congenital	2.32	0.45	2.08	0.35	3.65	0.26
Uveitic	6.47	0.02*	2.94	0.17	12.62	0.001**

^* p < 0.05;

^** p < 0.01.

^*** p < 0.001.