Table 4 Comparison between group A and group B regarding FLACC score at different times of measurement

At arrival to PACU

Median (IQR)

0 (0–0)

0 (0–0)

0.000

1.000

NS

Range

0–0

0–0

Discharge from PACU

Median (IQR)

0 (0–0)

0 (0–1)

− 1.190

0.234

NS

Range

0–1

0–1

2 h

Median (IQR)

1 (1–1)

1 (1–1)

1.207

0.227

NS

Range

0–1

0–1

4 h

Median (IQR)

1 (1–1)

1 (1–2)

− 1.564

0.118

NS

Range

1–2

1–3

6 h

Median (IQR)

2 (2–3)

3 (2–3)

1.834

0.067

NS

Range

1–4

2–4

8 h

Median (IQR)

2 (2–2)

3 (3–4)

− 4.381

0.000

HS

Range

1–3

1–4

10 h

Median (IQR)

2 (2–2)

3 (2–4)

− 2.168

0.030

S

Range

2–3

1–5

12 h

Median (IQR)

3 (2–3)

0 (0–2)

− 3.629

0.000

HS

Range

2–4

0–5

14 h

Median (IQR)

2 (1–3)

3 (3–3)

− 2.954

0.003

HS

Range

0–5

2–5

16 h

Median (IQR)

3 (2–3)

4 (3–4)

2.818

0.005

HS

Range

2–4

1–5

18 h

Median (IQR)

2 (2–3)

3 (2–5)

2.361

0.018

S

Range

1–4

1–5

20 h

Median (IQR)

2 (2–3)

3 (2–4)

− 2.329

0.020

S

Range

0–4

0–4

22 h

Median (IQR)

2 (2–3)

3 (2–4)

− 2.367

0.018

S

Range

1–4

0–4

24 h

Median (IQR)

2 (2–3)

3 (2–4)

− 2.177

0.029

S

Range

1–4

0–4

28 h

Median (IQR)

2 (2–4)

3 (2–4)

− 1.132

0.258

NS

Range

2–4

1–5

32 h

Median (IQR)

3 (2–4)

3 (2–4)

− 0.378

0.705

NS

Range

1–5

1–4

36 h

Median (IQR)

3 (2–3)

4 (3–4)

− 1.792

0.073

NS

Range

2–4

2–4