Table 7. Sensitivity, specificity and accuracy rate of the skin-tumor edge distance in pneumothorax complication prognosis.

Cutoff threshold	Sensitivity (%)	Specificity (%)	Accuracy (%)
≥35.7 mm	91.80	50.00	61.54
≥39.4 mm	83.61	72.50	75.57
≥42 mm	78.69	75.63	76.47