Table-I.

Patients demographic data and characteristics.

Variable		Technique		Pv
		CTD group (n:35)	NA group (n:35)
		Age		49.83±7.48	48.87±9.37	0.63
Gender	Female	6(8.6%)	4(5.7%)	0.36
	Male	29(41.4%)	31(44.3%)
BMI (Kg/m2)		22.30±2.63	21.20±2.38	0.07
Current smoker		11(15.7%)	16(22.9%)	0.16
Mean smoking amount (pack year)		5.17±0.84	4.84±1.02	0.38
Pneumothorax size		49.28±9.64	53.82±12.51	0.09
Involved hemithorax	Left	17(24.3%)	13(18.6%)	0.23
	Right	18(25.7%)	22(31.4%)
Symptoms onset to treatment (hours)		17.73±4.69	19.57±3.39	0.06

Abbreviations: CTD: CTD, NA: Needle Aspiration, BMI: Body Mass Index, Pv: P-value.