Table 1 Characteristics and clinical data of the patients.

From: Robot assisted stereotactic surgery improves hematoma evacuation in intracerebral hemorrhage compared to frame based method

Variables

Robot group (n = 45)

Frame group

(n = 86)

P-value

Demographics

 Male sex, n(%)

38(84.4)

64(74.4)

0.189

 Age (y), mean ± SD #

54 ± 13

53 ± 12

0.681

Clinical history

 SBP(mmHg), mean ± SD #

169 ± 24

168 ± 26

0.799

 DBP(mmHg), mean ± SD #

98 ± 18

99 ± 20

0.727

 Diabetes mellitus, n(%)§

3(6.7)

8(9.3)

0.853

 Anticoagulant/antiplatelet, n(%)§

2(4.4)

8(9.3)

0.517

 GCS, median[IQR]

9[7–14]

10[8–13]

0.876

Laboratory test

 Blood type, n(%)§

  

0.472

 Type A

9(20.0)

24(27.9)

 

 Type B

14(31.1)

18(20.9)

 

 Type O

17(37.8)

37(43.0)

 

 Type AB

5(11.1)

7(8.1)

 

 Hemoglobin, mean ± SD #

143 ± 17

142 ± 20

0.912

 NLR, median[IQR]

5.9[3.0–11.0]

8.3[4.3–14.8]

0.047**

 Platelets, median[IQR]

207[166–245]

204[162–246]

0.915

 PT, mean ± SD #

11.0 ± 0.8

11.7 ± 1.1

< 0.001**

 APTT, mean ± SD #

29.0 ± 3.1

29.1 ± 3.2

0.913

Hematoma characteristics

 Left hemisphere, n(%)

22(48.9)

44(51.2)

0.805

 IVH, n(%)

18(40.0)

26(30.2)

0.261

 Volume(ml), median[IQR]

29.0[23.0-35.2]

33.3[25.5–44.0]

0.130

 Surface area(cm2), median[IQR]

68.0[56.5–86]

73.0[58.8–98.5]

0.274

Onset-to-surgery time, n(%)

  

0.494

 6–12 h

22(48.9)

33(38.4)

 

 12–18 h

9(20.0)

21(24.4)

 

 18–24 h

2(4.4)

13(15.1)

 

 1–2days

10(22.2)

12(21.8)

 

 2–3days

2(4.4)

4(4.7)

 
  1. SBP, Systolic Blood Pressure; DBP, Diastolic Blood Pressure; SD, Standard Deviation; IQR, interquartile range; GCS, glasgow coma scale; NLR, Neutrophil-to-Lymphocyte Ratio; PT, prothrombin time; APTT, activated partial thromboplastin time; IVH, Intraventricular hemorrhage;
  2. # t-test; † Mann-Whitney U test; ‡ Pearsons chi-square test; § Continuous correction chi-square test.
  3. ** P < 0.05.