Variables Follow up Intervals IVTA eyes (n=15) Control eyes (n=15) p value
Log(MAR)8CVA Baseline 0.41 ±0.36 0.36±0.30 0.77
  1 month 0.39 ± 0.33 0.41 ±0.29 0.81
  4 months 0.32 ± 0.24a 0.39±0.34 0.65
  6 months 0.36 ± 0.33 0.41 ±0.35 0.62
CMT(μm) Baseline 274.5±61 .7 246.7±74.7 0.19
  1 month 231 .1±36.6b 244.9±60.2 0.71
  4 months ND* ND* ND*
  6 months 252.5± 33.2c 279.4±77.9 0.39
lOP (mm Hg) Baseline 16.40±2.47 16.67±2.41 0.90
  1 month 18.20±2.62d 16.53±2.26 0.07
  4 months 17 .20±2.21 16.20±2.08 0.23
  6 months 17 .07±2.22 16.33±2.06 0.37
Data are shown as mean±standard deviation. ND: Not determined Log(MAR) BCVA: Logarithm of the minimum angle of resolution Best corrected visual acuity lOP: Intraocular pressure; CMT: Central macular thickness Significant difference as compared with baseline value: ap=0.04, bp=0.00 1, cp=0.048, dp<0.0001
Table 1: Primary outcome measures in two groups of eyes with PDR underwent combination of IVTA plus standard treatment (IVTA eyes) or standard treatment alone (control eyes).