Table 2.

Comparison of the mean distance in the 6MWT and O₂ saturation between Squill-Oxymel and placebo groups.

Variables	Squill-Oxymel group M ± SD	Placebo group M ± SD	P Mann–Whitney U test
Predistance in the 6MWT Postdistance in the 6MWT	369.76 ± 117.26 387.38 ± 123.53	410.00 ± 133.33 399.81 ± 106.40	0.199 0.940
Pre-O2 saturation at the start of the 6MWT Post-O2 saturation at the start of the 6MWT	86.90 ± 8.64 85.19 ± 11.25	89.95 ± 5.40 88.90 ± 6.56	0.30 0.37
Pre-O2 saturation at the end of the 6MWT Post-O2 saturation at the end of the 6MWT	77.00 ± 13.28 77.86 ± 12.52	85.57 ± 9.10 81.29 ± 10.32	0.008 0.48

M ± SD: mean ± standard deviation.