Table 1 Single factor analysis of intracranial infection.

Sex

Male

60 (59.41)

14 (53.85)

0.263

0.612

Female

41 (40.59)

12 (46.15)

Age (years)

< 60

45 (44.55)

11 (42.31)

0.042

0.839

≥ 60

56 (55.45)

15 (57.69)

BMI (kg/m²)

≤ 24

66 (65.35)

15 (57.69)

0.524

0.473

> 24

35 (34.65)

11 (42.31)

Bleeding place

Basal ganglia

80 (79.21)

21 (80.77)

0.031

0.862

Vagus

21 (20.79)

5 (19.23)

Smoking history

Yes

36 (35.64)

8 (30.77)

0.217

0.645

No

65 (64.36)

18 (69.23)

Combined diabetes

Yes

22 (21.78)

9 (34.62)

1.846

0.177

No

79 (78.22)

17 (65.38)

Preoperative GCS score (points)

< 8

13 (12.87)

14 (53.85)

20.738

< 0.001

≥ 8

88 (87.13)

12 (46.15)

Cerebral hemorrhage volume (mL)

≤ 45

56 (55.45)

12 (46.15)

0.718

0.401

> 45

45 (44.55)

14 (53.85)

Surgical time (h)

< 2

69 (68.32)

14 (53.85)

1.912

0.169

≥ 2

32 (31.68)

12 (46.15)

Type of surgery

schedule (a meeting)

31 (30.69)

5 (19.23)

1.338

0.251

emergency call

70 (69.31)

21 (80.77)

Postoperative cerebrospinal fluid leak

Yes

20 (19.80)

13 (50.00)

9.804

0.002

No

81 (80.20)

13 (50.00)

Hypoproteinemia

Yes

17 (16.83)

6 (23.08)

0.544

0.465

No

84 (83.17)

20 (76.92)

Indwelling time of drainage tube (days)

< 3

55 (54.46)

6 (23.08)

8.156

0.004

≥ 3

46 (45.54)

20 (76.92)

Time in bed (days)

≤ 7

56 (55.45)

8 (30.77)

5.037

0.025

> 7

45 (44.55)

18 (69.23)

Vs (cm/s)

101.95 ± 34.85

141.29 ± 33.24

5.179

< 0.001

Vd (cm/s)

42.51 ± 20.51

66.70 ± 26.51

4.332

< 0.001

Vm (cm/s)

68.52 ± 24.75

93.59 ± 29.63

4.419

< 0.001