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Table 5 Risk categories of PAL in validation cohort

From: Construction and validation of a nomogram for predicting prolonged air leak after minimally invasive pulmonary resection

Risk categories

Predicted PAL risk (%)

Number of patients in validation cohort (n)

Incidence of PAL (n)

Observed frequency of PAL (%)

Low risk

< 10%

225

15

6.7

Intermediate risk

10%-20%

186

25

13.4

High risk

>20%

142

42

29.6

  1. PAL prolonged air leak