Table 1 Change in mean and median total NCS by treatment group
| Â | Treatment within 2 years: | |||
|---|---|---|---|---|
Total NCS (0-9): | Observation (n = 191) | Vision only (n = 63) | Non-surgical treatment (n = 48) | Surgery (n = 49) |
Mean [SD] median [IQR] and (range) of NCS at enrolment | 3.43 [1.44] 3 [2 to 4] (1 to 8) | 3.38 [1.53] 3 [2 to 4] (1 to 7) | 4.02 [1.47] 4 [3 to 5] (1 to 9) | 4.98 [1.94] 5 [3 to 6] (2 to 9) |
Mean [SD] median [IQR] and (range) of NCS at outcome | 3.13 [1.65] 3 [2 to 4] (0 to 9) | 3.40 [1.89] 3 [2 to 4] (0 to 7) | 3.42 [2.01] 3 [2 to 4.75] (0 to 8) | 1.92 [2.19] 1 [0 to 3] (0 to 9) |
Mean difference[95% CIs] | -0.30[-0.55 to -0.05] | 0.02[-0.41 to 0.44] | -0.60 [-1.15 to -0.06] | -3.06[-3.83 to -2.29] |
Significance of difference between enrolment and 24 months/6-month post-op, by treatment group | p = 0.021* p = 0.028†| p = 0.94* p = 0.98†| p = 0.031* p = 0.026†| p < 0.001* p < 0.001†|