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Table 2 Comparison of characteristics between patients with or without progression

From: Hyponatremia is a potential predictor of progression in radiation-induced brain necrosis: a retrospective study

Characteristics

With progression n = 36

Without progression n = 99

P-Value

Serum sodium, mmol/L (mean ± SD)

132.9 ± 6.2

138.1 ± 3.8

< 0.001

Age, yrs. (mean ± SD)

52.7 ± 11.0

50.2 ± 9.5

0.207

Male

27 (75%)

76 (76.8%)

0.831

In-hospital days (M)

8.3 (4.5–23)

7.3 (1.8–22)

0.119

Hypertension

10 (27.8%)

13 (13.1%)

0.045

Epilepsy

4 (11.1%)

14 (14.1%)

0.864

Dyslipidemia

3 (8.3%)

12 (12.1%)

0.757

Cerebral infarction

6 (16.7%)

7 (7.1%)

0.180

Pulmonary infection

4 (11.1%)

3 (3.0%)

0.152

Paralysis of cranial nerves

7 (19.4%)

16 (16.2%)

0.654

Nasopharyngeal carcinoma

33 (91.7%)

93 (94.0%)

0.938

Glioma

3 (8.3%)

5 (5.0%)

0.762

Oral cancer

0 (0%)

1 (1.0%)

1.000

Baseline T1-weight gadolinium-contrast area (cm2)(mean ± SD)

4.5 ± 2.4

5.5 ± 3.8

0.153

BaselineT2-weighted area (cm2) (mean ± SD)

9.3 ± 5.9

10.8 ± 6.4

0.200

  1. M median, SD standard deviation