Table 1.

Preoperative demographic data of the three outcome classes

Group	No	Age (years ± sd)	Sex (M/F)	IOP (mmHg ± sd)	MD (db ± sd)	Time on medical therapy (months ± sd)
C	56	68.26 ± 14.8	30/26	29.03 ± 6.51	− 3.85 ± 2.54	84.24 ± 23.31
Q	40	70.3 ± 10.4	22/18	26.7 ± 3.1	− 5.2 ± 1.88	77.31 ± 19.12
F	23	69.69 ± 14.6	10/13	24.53 ± 6.58†	− 4.66 ± 3.11	96.12 ± 32.64 *

SD, Standard deviation; IOP, intraocular pressure; MD, mean defect

*p < 0.05 vs. Q; ^† < 0.05 vs. C