Table 1 Baseline characteristics of the training, internal validation, and external validation cohorts.

From: A novel nomogram for predicting prolonged disorders of consciousness in severe supratentorial hypertensive intracerebral hemorrhage patients

Characteristic

Cohort

p value

Training group (n = 155)

Internal validation group (n = 67)

External validation group (n = 197)

Gender, n (%)

   

0.241

 Male

104 (67.1%)

37 (55.2%)

125 (63.5%)

 

 Female

51 (32.9%)

30 (44.8%)

72 (36.5%)

 

Age (years)

60.9 ± 11.6

59.6 ± 12.9

59.3 ± 11.6

0.433

pDoC, n (%)

55 (35.5%)

21 (31.3%)

38 (19.3%)

0.002

Time from onset to CT (h)

2.0 (1.5, 2.5)

1.6 (1.3, 2.3)

2.1 (1.5, 2.4)

0.156

Medical history, n (%)

 Diabetes mellitus

16 (10.3%)

7 (10.4%)

28 (14.2%)

0.484

 Coronary heart disease

10 (6.5%)

5 (7.5%)

15 (7.6%)

0.904

GCS score at admission

6.0 (5.0, 8.0)

5.0 (5.0, 7.0)

6.0 (5.0, 7.0)

0.538

Systolic blood pressure (mmHg)

187.0 (167.0, 208.0)

188.0 (166.0, 210.0)

175.0 (154.0, 197.0)

0.001

Diastolic blood pressure (mmHg)

104.0 (94.0, 115.0)

110.0 (98.0, 120.0)

101.0 (91.0, 109.0)

< 0.001

Hematoma location, n (%)

   

0.020

 Basal ganglia

130 (83.9%)

45 (67.2%)

151 (76.6%)

 

 Thalamus

25 (16.1%)

22 (32.8%)

46 (23.4%)

 

Hematoma volume (mL)

50.0 (35.0, 70.0)

40.0 (30.0, 60.0)

50.0 (34.5, 70.0)

0.047

mGS

7.0 (0.0, 16.0)

7.0 (0.0, 19.0)

7.0 (0.0, 18.0)

0.336

Cerebral hernia, n (%)

47 (30.3%)

28 (41.8%)

71 (36.0%)

0.229

Decompressive craniectomy, n (%)

49 (31.6%)

20 (29.9%)

65 (33.0%)

0.886

Operative methods, n (%)

   

< 0.001

 Hematoma evacuation

103 (66.5%)

39 (58.2%)

92 (46.7%)

 

 Hematoma evacuation combined with EVD

20 (12.9%)

10 (14.9%)

27 (13.7%)

 

 Hematoma puncture drainage

9 (5.8%)

2 (3.0%)

32 (16.2%)

 

 Hematoma puncture drainage combined with EVD

4 (2.6%)

5 (7.5%)

23 (11.7%)

 

 EVD

19 (12.3%)

11 (16.4%)

23 (11.7%)

 

Postoperative finding, n (%)

    

 Postoperative rebleeding

17 (11.0%)

7 (10.4%)

21 (11.7%)

0.992

 Intracranial infection

19 (12.3%)

6 (9.0%)

16 (7.8%)

0.418

  1. pDoC: prolonged disorders of consciousness; CT: computed tomography; GCS: Glasgow Coma Scale; mGS: modified Graeb Score; EVD: external ventricular drainage.
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