Table 3 Single-factor analysis of intracranial infection after EETA for suprasellar extension pituitary adenoma surgery

Sex, n(%)

0.036

 Male

44 (46.8)

9 (75)

35 (42.7)

 Female

50 (53.2)

3 (25)

47 (57.3)

Age (mean), n(%)

0.751

  ≥ 48

51 (54.3)

6 (50)

45 (54.9)

  < 48

43 (45.7)

6 (50)

37 (45.1)

BMI (mean), n(%)

0.590

  ≥ 22.5

48 (51.1)

7 (58.3)

41 (50)

  < 22.5

46 (48.9)

5 (41.7)

41 (50)

Diabetes mellitus, n(%)

1.000

 Yes

3 (3.2)

0 (0)

3 (3.7)

 No

91 (96.8)

12 (100)

79 (96.3)

History of craniotomy, n(%)

0.596

 Yes

8 (8.5)

2 (16.7)

6 7.3)

 No

86 (91.5)

10 (83.3)

76 (92.7)

Intraoperative CSF leakage, n(%)

0.026

 Yes

32 (34.0)

8 (66.7)

24 (29.3)

 No

62 (66.0)

4 (33.3)

58 (70.7)

Operation time (h), n(%)

0.003

  ≥ 3 h

41 (43.6)

10 (83.3)

31 (37.8)

  < 3 h

53 (56.4)

2 (16.7)

51 (62.2)

Tumor texture, n(%)

0.007

 Soft

60 (63.8)

3 (25.0)

57 (69.5)

 Tenacity

34 (36.2)

9 (75.0)

25 (30.5)

Postoperative CSF leakage, n(%)

 < 0.001

 Yes

12 (12.8)

7 (58.3)

5 (6.1)

 No

82 (87.2)

5 (41.7)

77 (93.9)

Postoperative intracranial pneumatosis, n(%)

0.001

 Yes

28 (29.8)

9 (75.0)

19 (23.2)

 No

66 (70.2)

3 (25.0)

63 (76.8)

Sagittal SSE(mm), n(%)

0.004

  ≥ 15.6 mm

42 (44.7)

10 (83.3)

32 (39.0)

  < 15.6 mm

52 (55.3)

2 (16.7)

50 (61.0)

Coronal SSE (mm), n(%)

0.005

  ≥ 15.8 mm

43 (46.7)

10 (83.3)

33 (40.2)

  < 15.8 mm

51 (53.3)

2 (16.7)

49 (59.8)