Table 3.

comparison between groups.

	Normal cardiac finding	Abnormal cardiac finding α	P value	Total
Gender (female/male)	5/42 (11.9%)	2/14 (14.3%)	1.0	8/57 (14%)
Age, yr (mean)	15.6 (±0.8)	15.7 (±1.0)	.720	15.9 (±1.7)
Pneumothorax size:
≤20%	8/41 (19.5%)	2/14 (14.3%)	.841	10/55 (18.2%)
21%–50%	22/41 (53.7%)	7/14 (50%)		29/55 (52.7%)
≥50%	11/41 (26.8%)	5/14 (35.7%)		16/55 (29.1%)
Pneumothorax size:
≤20%	8/41 (19.5%)	2/14 (14.3%)	1.0	10/55 (18.2%)
>20%	33/41 (80.5%)	12/14 (85.7%)		45/55 (81.8%)
Pneumothorax side (left/right)	31/42 (73.8%)	8/14 (57.1%)	.480	39/56 (69.6%)
Hospitalization, days (median, IQR)	5 (IQR: 4–8)	5 (3.75–5.25)	.370	5 (4–7.25) n = 54
Follow up, mo (median)	2 (IQR: 1–12.25)	3.5 (IQR 1.-28.25)	.326	3 (IQR:1–14) n = 57