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Table 4 Characteristics of PCV participants

From: Associations of complement factor B and complement component 2 genotypes with subtypes of polypoidal choroidal vasculopathy

  Case Control
  Total PCV P vs. control Polypoidal CNV P vs. control P vs. typical PCV Typical PCV P vs. control
Subjects, n 282   84    198   274
Male/female 195/87 <0.0001* 63/21 <0.0001* 0.205 132/66 <0.0001* 110/164
Age(±SD) 70.0(±8.7) <0.0001* 68.8(±8.9) <0.0001* 0.130 70.5(±8.7) <0.0001* 72.9(±7.4)
Hypertension 39% 0.390 38% 0.45 0.792 40% 0.509 43%
Diabetes 9% <0.0001* 10% 0.032* 0.649 8% <0.0001* 20%
Smoking 33% <0.0001* 37% <0.0001* 0.406 31% 0.001* 18%
Number of polyps -   4.17   <0.0001* 1.95   -
GLD, mm -   3.78   <0.0001* 2.78   -
  1. p-values reflect comparisons between each of the case groups and the control group, calculated using Fisher’s exact test *p < 0.05.
  2. PCV; polypoidal choroidal vasculopathy CNV; choroidal neovascularization GLD; greatest linear dimension SD; standard deviation.