Table 1 Clinical and demographic data of patients with and without post-operative rim-restriction on diffusion-weighted imaging, including the entire study population (n = 272), low-grade glioma subgroup (n = 63) and high-grade glioma subgroup (n = 209).

From: Clinical and prognostic implications of rim restriction following glioma surgery

 

Entire study population (n = 272)

Low-grade glioma (n = 63)

Glioblastoma (n = 209)

No restriction, n = 204 (74%)

Restriction, n = 68 (26%)

Sig

No restriction, n = 43 (68%)

Restriction, n = 20 (32%)

Sig

No restriction, N = 161 (77%)

Restriction, N = 48 (23%)

Sig

Age

53 ± 17

53 ± 15

0.734

36 ± 11

41 ± 13

0.152

58 ± 15

58 ± 13

0.824

Sex (female, %)

77 (38%)

25 (37%)

0.885

27 (63%)

13 (65%)

1.0

61 (38%)

18 (38%)

0.961

BMI (kg/m2)

26.3 ± 4.0

26.1 ± 4.3

0.657

24.9 ± 4.2

25.1 ± 4.6

0.930

26.7 ± 3.9

26.5 ± 4.0

0.819

Pre-op KPS ≥ 70, %

179 (88%)

59 (87%)

0.758

60 (98%)

21 (100%)

0.744

136 (85%)

39 (81%)

0.533

Ever smoking, %

26 (13%)

11 (16%)

0.475

7 (16%)

4 (20%)

0.732

19 (12%)

7 (15%)

0.608

Diabetes mellitus

25 (12%)

5 (7%)

0.264

2 (4.7%)

0

0.999

23 (14%)

5 (10%)

0.490

IHD

14 (7%)

6 (9%)

0.592

1 (2.3%)

0

0.999

13 (8%)

6 (13%)

0.349

Hypertension

61 (30%)

14 (21%)

0.137

2 (5%)

2 (10%)

0.586

57 (35%)

14 (29%)

0.423

Pre-op serum Hb, g/dL

13.6 ± 1.7

13.5 ± 1.7

0.443

13.8 ± 1.4

13.6 ± 1.3

0.617

13.6 ± 1.8

13.4 ± 1.7

0.470

Recurrent, %

72 (35%)

20 (29%)

0.375

11 (26%)

5 (25%)

1.0

64 (40%)

12 (25%)

0.06

Previous radiation, %

51 (25%)

11 (16%)

0.133

4 (9%)

1 (5%)

0.488

49 (30%)

8 (17%)

0.06

Awake

73 (36%)

27 (40%)

0.561

19 (44%)

11 (55%)

0.589

53 (33%)

15 (31%)

0.828

Tumor enhancement

177 (87%)

57 (84%)

0.545

20 (47%)

7 (37%)

0.583

160 (99%)

4 (98%)

0.361

Tumor volume pre-op, cc

33.3 ± 26.9

33.7 ± 28.6

0.915

35 ± 36

33 ± 25

0.848

32 ± 24

36 ± 30

0.448

Tumor volume post-op, cc

1.71 ± 3.016

2.67 ± 5.712

0.186

3.36 ± 4.429

3.84 ± 3.758

0.665

1.26 ± 2.34

2.19 ± 6.323

0.322

EOR, %

94.3 ± 9.2

94.2 ± 9.2

0.936

89 ± 11

87 ± 11

0.483

95.9 ± 7.7

96.5 ± 7.4

0.672

P53 + , %

87 (55%)

34 (60%)

0.550

20 (47%)

12 (60%)

0.612

68 (59%)

21 (57%)

0.799

IDH 1 + , %

44 (27%)

22 (35%)

0.240

28 (65%)

16 (80%)

0.377

13 (11%)

9 (21%)

0.096

Frontal

93 (46%)

31 (46%)

0.999

18 (42%)

7 (35%)

0.783

77 (48%)

22 (46%)

0.808

Insular

27 (13%)

5 (7%)

0.192

6 (14%)

7 (35%)

0.092

14 (9%)

5 (10%)

0.716

Temporal

50 (25%)

25 (37%)

0.050

4 (9%)

3 (15%)

0.669

46 (29%)

22 (46%)

0.025

Parietal

56 (28%)

18 (27%)

0.875

10 (23%)

1 (5%)

0.151

51 (32%)

12 (25%)

0.376

Occipital

16 (8%)

6 (9%)

0.797

2 (5%)

0

0.999

15 (9%)

5 (10%)

0.820

  1. BMI body mass index, KPS Karnofsky performance status, MRS Modified Rankin Scale, CVA/TIA cerebrovascular accident/transient ischemic attack, IHD ischemic heart disease, DVT deep vein thrombosis, Hb hemoglobin, EOR extent of resection, IDH isocitrate dehydrogenase 1.