Table 4 Adverse events (AEs) and serious adverse events (SAEs)

1

A2

Incomplete dislodged needle from the peripheral vein

1

AE

AE related to the intervention

2

A1

Pain (3 points of Visual Analog Scale)

1

AE

AE related to the intervention

3

A4

Incomplete dislodged needle from the peripheral vein

1

AE

AE related to the intervention

4

A4

Complete dislodged needle from the peripheral vein

1

AE

AE related to the intervention

5

A10

Pain (1 point of Visual Analog Scale)

1

AE

AE related to the intervention

6

A17_01

Nausea due to tonsillitis

1

AE

AE was less associated with the intervention

7

A17_02

Mild fever (37.5–37.8 degrees Celsius) due to tonsillitis

1

AE

AE was less associated with the intervention

8

A19

Nausea due to non-allergic rhinitis

1

AE

AE was less associated with the intervention

9

A18_01

Mild fever (38.1 degrees Celsius) due to sore throat

1

AE

AE was less associated with the intervention

10

A18_02

Mild fever (38 degrees Celsius) due to tonsillitis

1

AE

AE was less associated with the intervention

11

A7

Rupture of esophageal varices

1

SAE

SAE was less associated with the intervention

Total

11