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Table 3 Perioperative complications

From: Nonintubated spontaneous ventilation versus intubated mechanical ventilation anesthesia for video-assisted thoracic surgery in terms of perioperative complications and practitioners’ workload assessments: a pilot randomized control study

 

Intention-to-Treat

p value

Per-Protocol

P value

NI-SV

(n = 35)

MV

(n = 35)

NI-SV

(n = 32)

MV

(n = 33)

Intraoperative complications

      

Hypoxemia

12(34.3)

3(8.6)

0.009

10(31.3)

3(9.1)

0.026

Hypercapnia

11(31.4)

0(0)

< 0.001

10(31.3)

0(0)

< 0.001

Mediastinal flutter

0 (0)

0(0)

1.000

0 (0)

0(0)

1.000

Cough reflex

9(25.7)

1(2.9)

0.006

7(21.9)

1(3.0)

0.027

Conversion to open thoracotomy

1(2.9)

2(5.7)

1.000

0(0)

0(0)

1.000

Intubation-related complications

      

Lip injury

1(2.9)

2(5.7)

1.000

1(3.1)

2(6.1)

1.000

Sore throat

7(20.0)

14(40.0)

0.068

4(12.5)

12(36.4)

0.026

Hoarseness

2(5.7)

7(20.0)

0.151

0(0)

6(18.2)

0.024

PPCs

      

Pneumonia

3(8.6)

4(11.4)

1.000

1(3.1)

3(9.1)

0.613

Atelectasis

3(8.6)

4(11.4)

1.000

2 (6.3)

4(12.1)

0.672

Air leakage at 24 h

2(5.7)

4(11.4)

0.673

1(3.1)

4(12.1)

0.355

Pleural effusion

1(2.9)

1(2.9)

1.000

0(0)

1(3.0)

1.000

Fever

1(2.9)

2(5.7)

1.000

1(3.1)

2(6.1)

1.000

Dyspnea

2(5.7)

6(17.1)

0.259

1(3.1)

5(15.2)

0.197

  1. Data are presented as numbers (percentages)
  2. NI-SV: nonintubated spontaneous ventilation; I-MV: intubated mechanical ventilation; PPCs: postoperative pulmonary complications
  3. PetCO2 > 60 mm Hg