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Table 4 Variance between baseline and month 4 follow up

From: The effects of age-related macular degeneration on quality of life in a Brazilian population

Domain (Mean ± SD (N)) Baseline Month 4 follow up Mean* P-value**
General_ health 43.75 ± 21.57 (N = 48) 44.79 ± 21.24 (N = 48) 1.04 0.8848
General_ vision 40.83 ± 21.2 (N = 48) 55.00 ± 22.03 (N = 48) 14.17 0.0004
Ocular_ pain 65.63 ± 26.86 (N = 48) 66.67 ± 27.81 (N = 48) 1.04 0.9286
Near_ activities 40.28 ± 22.17 (N = 48) 56.68 ± 24.38 (N = 48) 16.41  < .0001
Distance_ activities 52.69 ± 25.46 (N = 48) 61.98 ± 26.36 (N = 48) 9.29 0.0242
Social _functioning 63.54 ± 26.02 (N = 48) 77.60 ± 23.20 (N = 48) 14.06 0.0011
Mental_ health 27.73 ± 29.82 (N = 48) 50.95 ± 31.66 (N = 48) 23.22  < .0001
Role_ dificulties 38.28 ± 26.97 (N = 48) 48.18 ± 31.89 (N = 48) 9.9 0.0489
Dependency 48.61 ± 33.21 (N = 48) 68.75 ± 35.21 (N = 48) 20.14  < .0001
Driving 70.83 ± 14.43 (N = 03) 90.63 ± 6.25 (N = 04) –*** –***
Color_ vision 73.44 ± 24.95 (N = 48) 83.33 ± 22.68 (N = 48) 9.9 0.0124
Peripheral_ vision 64.36 ± 26.45 (N = 47) 71.28 ± 23.88 (N = 47) 6.91 0.0960
Composite_ Score 50.92 ± 18.07 (N = 48) 62.42 ± 19.01 (N = 48) 11.5  < .0001
  1. * Diference Between Baseline and Month 4 follow up
  2. ** Wilconson test for paired sample. Null hypothesis: median is zero
  3. *** Frequency is less than enough to calculate