|
Variable
| |
Overall n = 66
|
100 mcg ITM n = 29
|
150 mcg ITM n = 37
|
p-value
|
|---|
|
Side effects
|
None
|
29 (44)
|
12 (41)
|
17 (59)
|
0.92
|
|
Pruritus
|
22 (33)
|
11 (50)
|
11 (50)
|
|
Nausea & vomiting
|
5 (8)
|
2 (40)
|
3 (60)
|
|
Both
|
10 (15)
|
4 (40)
|
6 (60)
|
|
PEP
|
Yes
|
21 (32)
|
10 (48)
|
11 (53)
|
0.68
|
|
No
|
45 (68)
|
19 (42)
|
26 (58)
|
|
Ephedrine
|
Yes
|
7 (11)
|
4 (57)
|
3 (43)
|
0.46
|
|
No
|
59 (89)
|
25 (42)
|
34 (58)
|
|
Rescue analgesia
|
Paracetamol
|
3 (5)
|
3 (100)
|
0 (0)
|
0.098
|
|
Tramadol hydrochloride
|
21 (32)
|
11 (52)
|
10 (48)
|
|
Pethidine
|
15 (23)
|
5 (33)
|
10 (67)
|
|
Paracetamol & tramadol hydrochloride
|
6 (9)
|
4 (45)
|
2 (33)
|
|
Paracetamol & pethidine
|
2 (3)
|
1 (50)
|
1 (50)
|
|
None
|
19 (29)
|
5 (26)
|
14 (74)
|
|
Pain-free time (min) [median (IQR)]
|
720 (540–1110)
|
675 (540–785)
|
720 (550–1440)
|
0.31
|
|
VAS score median (IQR)
|
2 (1–4)
|
2 (1–5)
|
1 (0–2)
|
0.01
|
- VAS Visual Analogue Scale, PEP phenylephrine, ITM intrathecal morphine
