PNC

0

21 (21.2)

10 (2.4)

0.330

0.65 (0.27 - 1.57)

1

5 (5)

2 (5.6)

0.841

0.85 (0.16 - 4.6)

2

16 (16.2)

2 (5.6)

0.130

3.08 (0.67 - 14.16)

3

18 (18.2)

4 (11.8)

0.386

1.67 (0.52 - 5.34)

4

11 (11.1)

3 (8.8)

0.708

1.29 (0.34 - 4.93)

≥5

12 (12.1)

7 (20.6)

0.224

0.53 (0.19 - 1.48)

Not specified

16 (16.2)

6 (17.6)

0.841

0.9 (0.32 - 2.52)