Use of Intravenous Paracetamol Preoperatively Favors Lower Risk of Delirium and Functional Recovery in Elderly Patients with Hip Fracture: A Propensity Score-Matched Analysis
Table 2
Patient outcome analyses before and after propensity score matching.
Variables
Prematching
Postmatching
Non-IVP group (n = 1576)
IVP group (n = 590)
value
Non-IVP group (n = 531)
IVP group (n = 531)
value
Type of anesthesia, n (%)
0.906
0.849
General anesthesia
592 (37.6%)
220 (37.3%)
197 (37.1%)
200 (37.7%)
Regional anesthesia
984 (62.4%)
370 (62.7%)
334 (62.9%)
331 (62.3%)
Duration of operation, mins
99.7 ± 34.7
97.2 ± 34.6
0.130
99.8 ± 34.5
97.8 ± 35.0
0.352
Intraoperative blood loss (mL)
200 (100, 300)
200 (100, 300)
0.012
200 (100, 300)
200 (100, 300)
0.095
VAS at discharge
2.4 ± 1.1
1.5 ± 0.9
<0.001
2.3 ± 1.1
1.8 ± 0.9
<0.001
NRS at discharge
2.3 ± 1.1
1.4 ± 0.8
<0.001
2.2 ± 1.1
1.8 ± 0.9
<0.001
Length of hospital stay
14.7 ± 6.8
14.3 ± 6.0
0.255
14.3 ± 6.5
14.4 ± 6.1
0.815
Delirium (Yes)
128 (8.1%)
48 (8.1%)
0.992
85 (16.0%)
48 (9.0%)
0.001
30-day mortality
14 (0.9%)
5 (0.8%)
0.928
6 (1.1%)
5 (0.9%)
0.762
90-day mortality
25 (1.6%)
8 (1.4%)
0.697
10 (1.9%)
8 (1.5%)
0.634
12-month mortality
109 (6.9%)
37 (6.3%)
0.594
39 (7.3%)
37 (7.0%)
0.812
Functional outcomes
0.984
0.033
Independent walking
640 (40.6%)
238 (40.3%)
227 (42.7%)
238 (44.8%)
Use of walking aids
488 (31.0%)
182 (30.8%)
158 (29.8%)
178 (33.5%)
Use of wheelchair
92 (5.8%)
32 (5.4%)
34 (6.4%)
41 (7.7%)
Bedridden
40 (2.5%)
17 (2.9%)
15 (2.8%)
7 (1.3%)
Death
316 (20.1%)
121 (20.5%)
97 (18.3%)
67 (12.6%)
Values are presented as the number (%) or mean ± SD (standard deviation) or median (interquartile range). , statistical significance. VAS, visual analog scores; NRS, numerical rating scores.
