Table 1

Levels (SD) of plasminogen and total vitreal protein in the vitreous and plasminogen/protein ratios in normal controls and in vitreoretinal disorders. Plasminogen was measured enzymatically as described in Methods

Plasminogen
(mg/ml)
Total
protein
(mg/ml)
Correlation
 Ratio
 plasminogen/
 total
 protein
r
p Value
Control 0.016 (0.005)0.85 (0.36)0.920.001 0.019
Macular pucker 0.027 (0.012) * 1.37 (0.65)ns0.790.048 0.020
Idiopathic PVR0.108 (0.039) ** 8.24 (1.86) ** 0.810.009 0.013
Traumatic PVR 0.109 (0.040) ** 8.87 (3.91) ** 0.730.015 0.012
PDR (diabetes
type I)
0.079 (0.041) ** 3.25 (0.97) ** 0.680.039 0.024
PDR (diabetes
type II)
0.112 (0.031) ** 3.94 (1.12) ** 0.730.036 0.028
PDR (diabetes
type II + insulin)
0.174 (0.054) ** 8.57 (2.98) ** 0.840.018 0.020
  • Vitreal protein was determined using the Lowry method.20 Ratios were derived from these data (* = 0.02/** p < 0.01 by Mann-Whitney U test compared with control vitreous).