|
Characteristic
|
Level
|
Spinal anaesthesia (ITM + 0.25% bupivacaine)
|
Propensity weighting
|
|---|
|
No
|
Yes
|
SMD (%; before)
|
SMD (%; after)
|
|---|
|
n
| |
40
|
26
| | |
|
Gender (%)
|
F
|
24 (60.0)
|
14 (53.8)
|
12.5
|
10.0
|
|
M
|
16 (40.0)
|
12 (46.2)
| | |
|
Age (mean (SD))
|
48.77 (12.82)
|
52.42 (13.17)
|
28.1
|
6.0
|
|
ASA grade (%)
|
1
|
19 (47.5)
|
14 (53.8)
|
12.7
|
7.7
|
|
2
|
19 (47.5)
|
10 (38.5)
|
− 18.3
|
− 9.4
|
|
3
|
2 (5.0)
|
2 (7.7)
|
11.1
|
3.3
|
|
Levels (%)
|
1
|
17 (42.5)
|
11 (42.3)
|
10.7
|
8.1
|
|
2
|
22 (55.0)
|
12 (46.2)
| | |
|
3
|
0 (0.0)
|
2 (7.7)
| | |
|
4
|
0 (0.0)
|
1 (3.8)
| | |
|
5
|
1 (2.5)
|
0 (0.0)
| | |
- Propensity-score matching was based on all four baseline characteristics
- Standardised mean difference (SMD), expressed as %. The number of levels was considered a continuous variable in the propensity score analysis
