Table 5 Comparison of clinical variables and patient satisfaction between the three study groups

Clinical variables

Narcotic requirement

2 (1–3)

2 (2–3)

2 (2–2)

0.457

Nausea

0 (0–1) ^*

1 (1–2)

2 (0–2)

0.002

Vomiting

0 (0–1) ^**

1 (1–1)

1 (0–2)

0.001

Vital sign change

0 (0–1)

0 (0–1)

0 (0-0.5)

0.451

Patient satisfaction

Satisfied

26 (78.8)

24 (72.7)

27 (81.8)

0.193

Neutral

7 (21.2)

9 (27.3)

4 (12.1)

Unsatisfied

0 (0)

0 (0)

2 (6.1)

Data are reported as median (IQR) for clinical variables and as frequency (%) for patient satisfaction.

*: Melatonin is different with dexmedetomidine (P = 0.004) and gabapentin (P = 0.003).

**: Melatonin is different with dexmedetomidine (P = 0.002) and gabapentin (P = 0.001).