Table 3

Measures of repeatability of day-to-day Goldmann intraocular pressure values (30 first treated eyes)

Pre-treatment (V1–3)Post-treatment (V4–6)
SwCV (95% CI)CR (95% CI)SwCV (95% CI)CR (95% CI)
8:002.4510.0% (8.1 to 11.9)6.8 (5.6 to 8.0)1.6710.5% (8.5 to 12.4)4.6 (3.8 to 5.5)
11:001.927.6% (6.2 to 9.0)5.3 (4.4 to 6.6)1.489.7% (7.9 to 11.5)4.1 (3.4 to 4.8)
16:002.5010.5% (8.6 to 12.5)6.9 (5.7 to 8.2)1.7411.8% (9.6 to 14.1)4.8 (4.1 to 5.5)
Diurnal*1.736.8% (5.6 to 8.1)4.8 (3.9 to 5.7)1.278.2% (6.7 to 9.7)3.5 (2.9 to 4.2)
  • * Mean of results for the 3 time points.

  • CR, coefficient of repeatability; CV, coefficient of variation; Sw, within-subject (test-retest) SD, standard deviation; ICC, intraclass correlation coefficient; V1–3, visits 1, 2 and 3 compared; V4–6, visits 4, 5 and 6 compared.