An Add-On Treatment for Moderate COPD with Squill-Oxymel (a Traditional Formulation from Drimia maritima (L.) Stearn): A Pilot Randomized Triple-Blinded Placebo-Controlled Clinical Trial

Table 4

Comparison of the mean score of total and dimensions of St. George’s Questionnaire between Squill-Oxymel and placebo groups.

Variables	Squill-Oxymel group; M ± SD	Placebo group; M ± SD	independent t-test
Pre-St. George’s symptom score; Post-St. George’s symptom score	61.19 ± 22.98; 56.53 ± 25.04	42.64 ± 20.55; 36.69 ± 16.84	0.009; 0.004
Pre-St. George’s activity score; Post-St. George’s activity score	61.77 ± 22.32; 59.52 ± 22.18	53.97 ± 24.42; 55.59 ± 26.01	0.29; 0.60
Pre-St. George’s impact score; Post-St. George’s impact score	39.06 ± 24.45; 38.89 ± 24.31	33.05 ± 22.88; 31.96 ± 24.35	0.42; 0.36
Pre-St. George’s total score; Post-St. George’s total score	49.65 ± 21.44; 48.21 ± 21.92	41.01 ± 21.21; 40.00 ± 22.03	0.20; 0.23

M ± SD: mean ± standard deviation.