Table 2.

Mean IOP and mean glaucoma medications required in both groups at all follow-up time intervals (mean ± SD)

Follow-up time	New technique (n = 38, mm Hg)	Traditional (n = 41, mm Hg)	P*
Preoperative
IOP (mmHg)	41.97 ± 10.58	43.15 ± 9.63	0.608
Glaucoma medications	3.13 ± 0.58	3.24 ± 0.92	0.460
Postoperative 1 day
IOP (mmHg)	20.03 ± 9.04	16.15 ± 8.66	0.055
Glaucoma medications	0.21 ± 0.66	0.22 ± 0.00	0.683
Postoperative 1 week
IOP (mmHg)	12.37 ± 5.05	11.46 ± 4.06	0.381
Glaucoma medications	0.11 ± 0.51	0.00 ± 0.00	0.505
Postoperative 1 month
IOP (mmHg)	13.45 ± 3.50	15.15 ± 6.04	0.134
Glaucoma medications	0.03 ± 0.16	0.17 ± 0.38	0.035
Postoperative 3 months
IOP (mmHg)	14.26 ± 4.96	17.34 ± 7.09	0.029
Glaucoma medications	0.13 ± 0.53	0.59 ± 1.09	0.025
Postoperative 6 months
IOP (mmHg)	14.71 ± 3.01	17.27 ± 7.10	0.043
Glaucoma medications	0.34 ± 0.63	0.71 ± 1.17	0.442
Postoperative 12 months
IOP (mmHg)	15.61 ± 5.20	16.90 ± 5.97	0.384
Glaucoma medications	0.67 ± 1.03	0.63 ± 1.16	0.590
Postoperative 18 months
IOP (mmHg)	16.23 ± 5.13	16.38 ± 4.39	0.916
Glaucoma medications	0.85 ± 1.16	0.50 ± 1.00	0.310
Postoperative 24 months
IOP (mmHg)	15.85 ± 1.96	17.33 ± 3.83	0.207
Glaucoma medications	0.79 ± 0.97	0.64 ± 1.15	0.667
Postoperative 30 months
IOP (mmHg)	15.75 ± 2.05	16.20 ± 3.90	0.788
Glaucoma medications	0.63 ± 0.92	0.60 ± 1.34	0.833

*Independent sample t-test or Mann–Whitney U test.

Abbreviations: IOP introcular pressure, SD standard deviation.