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Table 2 The characteristics comparison of infection and no infection groups

From: The risk factors of intracranial infection in patients with intracerebral hemorrhage undergone hematoma puncture: what should we care

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%)