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Table 4 Intraoperative and postoperative AEs

From: Bilateral thoracic paravertebral block combined with general anesthesia vs. general anesthesia for patients undergoing off-pump coronary artery bypass grafting: a feasibility study

Variable, n (%)

PVB + GA (n = 29)

GA (n = 30)

P *

Intraoperative AE

 Bradycardia

5 (17.2)

3 (10.0)

0.334

 Tachycardia

1 (3.4)

5 (27.8)

0.035

 Hypotension

13 (44.8)

10 (33.3)

0.262

 Hypertension

0 (0)

5 (16.7)

0.008

Postoperative AE

 Nausea

1 (3.4)

3 (10.0)

0.612

 Vomiting

0 (0)

1 (3.3)

1.000

 Pulmonary infection

0 (0)

1 (3.3)

1.000

 Atelectasis

1 (3.4)

1 (3.3)

1.000

 Reoperation

0 (0)

1 (3.3)

1.000

 Paresthesia

1 (3.4)

0 (0)

0.492

  1. AE Adverse event, PVB Paravertebral block, GA General anesthesia. *All variables were analyzed using chi-square test