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. 2007 Jun 21;91(12):1662–1666. doi: 10.1136/bjo.2007.117515

Table 4 Change in total symptom score.

Total symptom score
Visits NAAGA (n = 11*) LEVO (n = 12*)
Mean (SD) Median (quartiles) Mean (SD) Median (quartiles)
D0 5.8 (0.9) 6.0 (5.0; 6.0) 5.8 (1.3) 5.5 (5.0; 7.0)
D7 3.5 (2.0) 3.0 (2.0; 4.0) 4.1 (1.9) 4.5 (3.0; 6.0)
D28 2.7 (1.3) 2.0 (2.0; 4.0) 3.7 (2.2) 3.0 (2.0; 6.0)
Treatment effect†; 95% CI p value†
At D7 −0.6 (−2.2; 1.0) 0.445
At D28 −1.0 (−2.5; 0.4) 0.160
At both visits −0.8 (−2.1; 0.5) 0.213

*Naaga group: day 0 n = 11, day 7 n = 11 and day 28 n = 10. Levo group: day 0 n = 12; day 7 n = 12 and day 28 n = 11; †difference in least‐squares means and Student t test p value.