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Br J Ophthalmol 88:1443-1449 doi:10.1136/bjo.2003.037457
  • Clinical science
    • Extended reports

Enhanced low vision rehabilitation for people with age related macular degeneration: a randomised controlled trial

Table 4

 Effect size estimates for all pairwise comparisons between arms

Effect size (scale units) 95% CI p Value
(A) For scaled trial outcomes (ie, differences between arms at 12 months)
VCM1†:
ELVR v CLVR 0.06 −0.17 to 0.30 0.60
ELVR v CELVR 0.12 −0.11 to 0.34 0.31
CELVR v CLVR −0.05 −0.29 to 0.18 0.64
SF-36†:
PCS ELVR v CLVR −6.05 −10.2 to −1.91 0.004
ELVR v CELVR −3.78 −7.75 to 0.19 0.06
CELVR v CLVR −2.27 −6.29 to 1.76 0.27
MCS ELVR v CLVR −4.04 −7.44 to −0.65 0.02
ELVR v CELVR −2.56 −5.73 to 0.61 0.11
CELVR v CLVR −1.48 −4.69 to 1.73 0.36
NAS†:
Locus of control ELVR v CLVR −0.42 −1.68 to 0.83 0.51
ELVR v CELVR −0.44 −1.63 to 0.76 0.47
CELVR v CLVR 0.02 −1.21 to 1.25 0.98
Acceptance ELVR v CLVR −0.36 −3.04 to 2.32 0.79
ELVR v CELVR −0.73 −3.29 to 1.84 0.58
CELVR v CLVR 0.36 −2.24 to 2.97 0.78
Attitude ELVR v CLVR 0.22 −1.34 to 1.77 0.79
ELVR v CELVR 0.03 −1.52 to 1.45 0.97
CELVR v CLVR 0.25 −1.27 to 1.77 0.75
Self efficacy ELVR v CLVR −0.44 −2.88 to 2.00 0.72
ELVR v CELVR −0.88 −3.21 to 1.44 0.46
CELVR v CLVR 0.44 −1.91 to 2.79 0.71
Self rated restriction score†:
ELVR v CLVR 0.04 −0.02 to 0.11 0.17
ELVR v CELVR 0.04 −0.02 to 0.10 0.15
CELVR v CLVR −0.00 −0.06 to 0.06 0.99
(B) For binary trial outcomes (ie, odds ratios for 12 months data)
†Analysis was adjusted for baseline outcome score; participants with data missing at baseline were excluded from the analysis.
‡All 194 participants who completed the trial were included in the analysis of “using at least one LVA”; analyses of “using a LVA daily” and “for > 5 minutes” were restricted to the 95% of participants using at least one LVA at 12 months.
Measured task performance:
Read at least one “Use by date” ELVR v CLVR 0.83 0.40 to 1.75 0.63
ELVR v ELVR 0.48 0.23 to 1.02 0.06
CELVR v LVR 1.73 0.80 to 3.76 0.17
Read medicine name (±dose) ELVR v CLVR 0.72 0.35 to 1.46 0.36
ELVR v CELVR 0.55 0.28 o 1.10 0.09
CELVR v LVR 1.29 0.64 to 2.62 0.48
LVA use‡:
Using at least one LVA ELVR v CLVR 0.51 0.12 to 2.13 0.36
ELVR v ELVR 0.43 0.10 to 1.81 0.25
CELVR v LVR 1.18 0.23 to 6.05 0.85
Using a LVA daily ELVR v CLVR 1.18 0.54 to 2.59 0.67
ELVR v ELVR 1.03 0.48 to 2.21 0.94
CELVR v LVR 1.15 0.54 to 2.48 0.72
Using a LVA for >5 minutes on average ELVR v CLVR 1.22 0.57 to 2.60 0.60
ELVR v ELVR 1.77 0.83 to 3.78 0.14
CELVR v LVR 0.69 0.32 to 1.52 0.36

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