|
Factors
|
Infection group(n = 65)
|
No infection group(n = 860)
|
χ2/F
|
p
|
|---|
|
Gender
|
|
Male
|
31 (47.69%)
|
418 (48.60%)
|
0.745
|
0.190
|
|
Female
|
34 (53.31%)
|
442 (51.40%)
|
|
BMI (kg/m2)
|
|
< 24
|
33 (50.77%)
|
435 (50.58%)
|
0.905
|
0.117
|
|
≥ 24
|
32 (49.23%)
|
425 (49.42%)
|
|
Complicated diseases
|
|
Diabetes
|
18 (27.69%)
|
219 (25.47%)
|
0.215
|
0.092
|
|
Hypertension
|
29 (44.61%)
|
370 (43.02%)
|
|
Hyperlipidemia
|
15 (23.08%)
|
183 (21.28%)
|
|
Use of immunosuppressants
|
|
Yes
|
16 (24.62%)
|
201 (23.37%)
|
0.741
|
0.121
|
|
No
|
49 (75.38%)
|
659 (76.63%)
|
|
Bleeding location
|
|
Basal ganglia
|
35 (53.85%)
|
422 (49.07%)
|
1.128
|
0.093
|
|
Thalamus
|
19 (29.23%)
|
268 (31.16%)
|
|
Brain lobe
|
4 (6.15%)
|
66 (7.67%)
|
|
Ventricle
|
4 (6.15%)
|
64 (7.44%)
|
|
Cerebellum
|
2 (3.08%)
|
28 (3.26%)
|
|
Brain stem
|
1 (1.54%)
|
12 (1.39%)
|
|
ASA grade
|
|
I-II
|
26 (40.00%)
|
680 (79.07%)
|
8.911
|
0.015
|
|
III-IV
|
39 (60.00%)
|
180 (20.93%)
|
|
ICU stay
|
|
Yes
|
22 (33.85%)
|
256 (29.77%)
|
0.948
|
0.101
|
|
No
|
43 (66.15%)
|
604 (70.23%)
|
|
The length of hospital stay (days)
|
|
≥ 10
|
55 (84.62%)
|
387 (45.00%)
|
0.590
|
0.012
|
|
< 10
|
10 (15.38%)
|
573 (55.00%)
|
|
Consecutive operation
|
|
Yes
|
54 (83.08%)
|
408 (47.44%)
|
2.405
|
0.008
|
|
No
|
11 (16.92%)
|
452 (52.56%)
|
|
Duration of surgery (hours)
|
|
≥ 4
|
50 (76.92%)
|
437 (50.81%)
|
0.155
|
0.021
|
|
< 4
|
15 (23.08%)
|
423 (49.19%)
|
|
Antibiotics use before surgery
|
|
Yes
|
48 (73.85%)
|
612 (71.17%)
|
3.087
|
0.094
|
|
No
|
17 (26.15%)
|
248 (28.83%)
|
|
EVD
|
|
Yes
|
52 (80.00%)
|
508 (59.07%)
|
0.152
|
0.026
|
|
No
|
13 (20.00%)
|
172 (40.93%)
|
|
Estimated hematoma volume
|
|
>45 ml
|
32 (49.23%)
|
416 (48.37%)
|
1.048
|
0.083
|
|
≤ 45 ml
|
26 (50.77%)
|
444 (51.63%)
|
