Table 4. Patients With Tension Pneumothorax Defined as Oxygen Saturation (SpO2) < 92% and Systolic Blood Pressure (SBP) < 100 mm Hg After Needle Decompression .

Diagnosis of tension pneumothorax by assigning a correct diagnosis with SpO2 < 92% and SBP < 100 mm Hg
Number of patients with a documented pre-needle decompression SpO2	44
Number of patients with a pre-needle decompression SpO2 < 92%	18
Number of patients with a documented pre-needle decompression SBP	43
Number of patients with pre-needle decompression SpO2 < 92% and SBP < 100 mm Hg	9