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Table 2 Regression coefficients of the mean changes in visual acuity by study group

From: A systematic approach to evaluate practice-based process- and outcome data applied to the treatment of neovascular age-related macular degeneration

Follow-up (months)

Change in VA (LogMAR)

No Treatmenta

PDT (p-value)

Bevacizumab (p-value)

Ranibizumab (p-value)

2–4

0.27

0.18

(0.2)

−0.01

(< 0.0001)

−0.12

(< 0.0001)

6–8

0.38

0.34

(0.6)

0.002

(< 0.0001)

−0.10

(< 0.0001)

10–12

0.54

0.48

(0.5)

0.09

(< 0.0001)

0.07

(< 0.0001)

22–24

0.69

0.61

(0.5)

0.12

(< 0.0001)

0.13

(< 0.0001)

  1. Note: a positive LogMAR change indicates a decline in visual acuity
  2. LogMAR Logarithm of the minimal angle of resolution, PDT Verteporfin photodynamic therapy, VA Visual acuity
  3. a Reference group