Clinical Study

Clinical Outcomes of Peripheral Iridotomy in Patients with the Spectrum of Chronic Primary Angle Closure

Table 5

Mean and standard deviation of IOP and number of medications at the scheduled followup visits.

VisitIOPNumber of medications
PACSCPACCPACGPACSCPACCPACG

Pre-PI16.0 ± 3.0
( )
22.0 ± 5.7
( )
21.6 ± 6.7
( )
0.0 ± 0.0
1.0 ( )
0.8 ± 0.7
( )
1.5 ± 1.2
( )
6 months16.0 ± 3.4
( )
18.6 ± 4.7* 
( )
18.7 ± 7.4
( )
0.06 ± 0.25
( )
0.68 ± 0.80
( )
0.80 ± 0.63
( )
12 months15.3 ± 3.9
( )
19.0 ± 5.7* 
( )
17.7 ± 6.3
( )
0.11 ± 0.32
( )
0.77 ± 0.92
( )
1.18 ± 1.17
( )
24 months16.9 ± 5.5
( )
19.0 ± 4.0* 
( )
16.9 ± 5.6
( )
0.07 ± 0.26
( )
0.74 ± 0.73
( )
1.70 ± 1.16
( )
36 months15.3 ± 2.4
( )
16.4 ± 3.1* 
( )
19.8 ± 5.7
( )
0.23 ± 0.44
( )
0.90 ± 0.74
( )
1.50 ± 1.60
( )
48 months15.2 ± 3.7
( )
19.4 ± 3.9
( )
15.8 ± 3.6
( )
0.00 ± 0.00
( )
1.00 ± 0.82 
( )
1.80 ± 1.10
( )
60 months14.0 ± 6.1
( )
18.3 ± 3.0* 
( )
15.0
( )
0.00 ± 0.00 
( )
1.30 ± 0.95
( )
3
( )

IOP: intraocular pressure; PI: peripheral iridotomy; PACS: primary angle closure suspect; CPAC: chronic primary angle closure; CPACG: chronic primary angle closure glaucoma.
Before any surgical treatment.
Significantly different from baseline using paired -test.