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Table 5 Change in visual acuity (worse eye) between enrolment and outcome, by treatment group

From: The improving outcomes in intermittent exotropia study: outcomes at 2 years after diagnosis in an observational cohort

  Treatment group:
  Observation
(n = 156)
Vision only
(n = 45)
Non-surgical treatment
(n = 40)
Surgery
(n = 36)
Mean [SD] acuity(worse eye) at enrolment (LogMAR) 0.127 [0.104] 0.211 [0.117] 0.169 [0.142] 0.178 [0.145]
Mean [SD] acuity(worse eye) at outcome (LogMAR) 0.081 [0.083] 0.141 [0.127] 0.107 [0.134] 0.144 [0.133]
Mean change[95% CIs] -0.045[-0.061 to-0.029] -0.069[-0.105 to -0.035] -0.062[-0.109 to -0.015] -0.034[-0.085 to 0.018]
Significance of difference between enrolment and 24 months/6-month post-op by treatment group* p < 0.001 p < 0.001 p = 0.011 p = 0.195
  1. *Paired samples t-test