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Table 4 Comparison of effective rate (n, %)

From: Clinical efficacy of argon plasma coagulation combined with cryotherapy for central airway stenosis caused by lung cancer

Group

Completely effective

Partially effective

Mildly effective

Ineffective

Control group (n = 43)

7 (16.28)

17 (39.53)

15 (34.88)

4 (9.31)

Observation group (n = 43)

16 (37.21)

20 (46.51)

5 (11.63)

2 (4.65)

χ2

2.193

0.653

2.553

0.847

P

0.028

0.514

0.011

0.392