Table 2.

Combined surgery success at 9 months

	XEN (n = 46 eyes)	NPDS (n = 58 eyes)	p-value
Complete success[without treatment]
≤ 18 mmHg	32 (69.6)	37 (63.8)	0.54
≤ 15 mmHg	25 (54.4)	29 (50.0)	0.67
≤ 12 mmHg	13 (28.3)	17 (29.3)	0.91
Qualified success [with treatment]
≤ 18 mmHg	41 (89.1)	52 (89.7)	0.93
≤ 15 mmHg	32 (69.6)	38 (65.5)	0.66
≤ 12 mmHg	18 (39.1)	21 (36.2)	0.76
Failure	5 (10.9)	6 (10.3)	0.93

The results are displayed as n (%)