Impacts of Coil Treatment on Anxiety and Depression in Emphysema

Table 4

The comparison of beck anxiety and beck depression scores before and after coil treatment for both patients with and without psychiatric diagnosis.

	Scale	Precoil		Postcoil		z
		Mean ± SD	Min–max	Mean ± SD	Min–max
Patients without PD	BAI	12.1 ± 6.3	4–26	11.2 ± 9.3	0–28	−0.455	0.649
	BDI-I	13.5 ± 10.4	1–31	8.8 ± 10.6	0–34	−2.451	0.014
Patients with PD	BAI	15.0 ± 7.8	3–23	9.2 ± 4.9	2–17	−2.201	0.028
	BDI-I	15.1 ± 11.1	4–31	7.1 ± 4.9	2–16	−1.782	0.075

BAI, beck anxiety inventory; BDI-I, beck depression inventory; SD, standard deviation; min, minimum; max, maximum; PD, psychiatric diagnosis; z, Wilcoxon test statistic.