Changes in Central Macular Thickness following Single Session Multispot Panretinal Photocoagulation
Table 3
Univariate analysis of factors related to changes incentral subfield thickness at 12-week follow-up after single session, multispot, 20-millisecond panretinal photocoagulation.
Characteristics mean (SD)
Changes in CSF thickness
P value
≥12 m
<12 m
Gender, (%)
0.02
Male
3 (21.4)
11 (78.8)
Female
16 (61.5)
10 (38.5)
Age, year
52.58 (7.9)
52.0 (7.7)
0.82
Baseline logMAR BCVA, mean (SD)
0.13 (0.08)
0.14 (0.09)
0.57
Baseline CSF thickness, m
275.5 (36.5)
273.2 (34.3)
0.83
Baseline HbA1C, mg/dL
8.7 (2.2)
9.7 (2.4)
0.16
PRP parameters
Laser power (mW)
380.0 (110.2)
420.0 (122.7)
0.36
Laser fluence (J/cm2)
5.4 (3.7)
5.4 (3.2)
0.84
Laser area (mm2)
369.4 (149.7)
431.4 (158.9)
0.21
Total laser energy
21.7 (7.2)
21.7 (8.8)
0.87
Total laser burn (spot)
2889.0 (776.1)
2625.0 (585.3)
0.78
Duration of PRP (min)
5.1 (0.9)
4.7 (0.7)
0.18
SD: standard deviation, VA: visual acuity, CSF: central subfield, mW: milliwatt, J: Joule, min: minute, and PRP: pan retinal photocoagulation.
