Table 1. Comparison of study participants based on outcomes.

IOP: Intraocular pressure, LogMAR: Logarithm of the minimum angle of resolution, N/A: Not applicable.

^#Spearman's correlation, ^$Fisher's exact test, ^*Significant.

Patients	Classification	Total	Successful group	Failed group	p-value
Number of eyes n (%)	N/A	55	45 (81.8%)	10 (18.2%)	N/A
Age in years (mean ± SD)#	N/A	52.38 ± 14	53.16 ± 13.2	48.9 ± 17.9	0.45
Male: Female$	N/A	39:16	33:12	6:4	0.453
Preoperative IOP (mm Hg) (mean ± SD)#	N/A	31.16 ± 11.1	28.7 ± 9.9	42.2 ± 9.9	<0.001*
Preoperative visual acuity (LogMAR) (mean ± SD)#	N/A	0.79 ± 0.55	0.8 ± 0.5	0.7 ± 0.7	0.64
Glaucoma (Primary: Secondary)$	N/A	44:11	40:5	4:6	0.002*
No. of drugs used preoperatively n (mean ± SD)	N/A	4.6 ± 0.8	4.6 ± 0.8	4.7 ± 0.7	0.7
Visual field damage$, classified according to Humphrey Mean Deviation (dB)	Early <=6dB n (%)	33 (60%)	27 (60%)	6 (60%)	0.53
	Moderate >6dB -<12dB n (%)	6 (11%)	4 (9%)	2 (20%)
	Advanced >= 12 dB n (%)	16 (29%)	14 (31%)	2 (20%)