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Table 2 Clinical results

From: Safety and effectiveness of opioid-free anaesthesia in thoracoscopic surgery: a preliminary retrospective cohort study

 

SOA Group

(n = 101)

OFA Group

(n = 101)

Z/χ2

Value

P-value

Frequency of vasoactive drugs

  

19.623

0.001

 0

44 (43.6)

70 (69.3)

  

 1

36 (35.6)

24 (23.8)

  

 2

18 (17.8)

4 (3.9)

  

 3

3 (3.0)

2 (2.0)

  

 4

0 (0.0)

1 (1.0)

  

Intraoperative infusion volume (mL)

1000 [1000;1500]

1000 [1000;1000]

3.353

0.001

24-h morphine PCIA use (mg)

3.6 [0.6;23]

1.8 [0;4.8]

3.537

< 0.001

VAS score on D1

    

VAS (at rest)

1 [0;2]

1 [0;1]

0.325

0.745

VAS (at activity)

3 [2;4]

3 [2;3]

0.264

0.792

Frequence of nausea and vomit

  

0.205

0.651

 0

99(98.0)

98(97.0)

  

 1

2(2.0)

3(3.0)

  

Intraoperative opioid dosage

    

 Remifentanila

81.6 ± 28.38 µg

   

 Sufentanil

23.2 ± 8.85 µg

   
  1. Data are presented as median [Interquartile range] or mean ± standard deviation or number (%) of patients.aThe remifentanil dose did not include the intraoperative maintenance dose
  2. PCIA, patient-controlled intravenous analgesia; VAS, visual analogue score; D1, first day after surgery