Table 7: Comparison of side effects/adverse events between the groups.

Characteristics

Group R

Group RC

Significance of difference

No.

%

No.

%

X2

P

Nausea/Vomiting

2

8

5

20

1.22

0.113

Sedation

0

0

3

12

1.786

0.040

Shivering

0

0

2

8

1.443

0.077

Respiratory depression

0

0

0

0

0

0

Headache

1

4

2

8

0.595

0.277

Dry mouth

3

12

8

32

1.706

0.047

SD: Standard Deviation