Table 2

Patient data from Hiscox et al20

Reason treatment stoppedOutcome visual acuityTotal
6/9 6/12–6/18 <6/18 Missing cases
Orthoptist instructions125 (42%)96 (32%)59 (20%)16 (5%)296 (100%)
Non-compliance, failure to attend 10 (18%)18 (32%)21 (37%) 8 (14%)57 (100%)
  • χ2 for trend without missing cases: p <0.0002.

  • χ2 with missing cases: p <0.0002.