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Table 2 Comparison of RAP between Signals 1 and 2

From: An intracranial pressure-derived index monitored simultaneously from two separate sensors in patients with cerebral bleeds: comparison of findings

PatID

N (4-min RAP observations)

RAP (average + std)

Differences in RAP between Signals 1 and 2 (N, %)

  

Signal 1

Signal 2

0.2

0.4

0.6

Category A

      

1

685

0.45±0.4

0.42±0.39

315 (46%)

162 (24%)

45 (7%)

2

1,040

0.37±0.22

0.36±0.22

105 (10%)

6 (1%)

1

3

414

0.83±0.17

0.78±0.21

52 (13%)

18 (4%)

7 (2%)

4

604

0.58±0.29

0.65±0.28

115 (19%)

23 (4%)

8 (1%)

5

1,065

0.57±0.38

0.59±0.36

419 (39%)

206 (19%)

78 (7%)

Category B

      

6

211

0.55±0.39

−0.74±0.20

207 (98%)

201 (95%)

190 (90%)

7

1,499

0.56±0.35

0.11±0.58

1,060 (71%)

838 (56%)

673 (45%)

8

274

0.67±0.37

0.28±0.67

140 (51%)

95 (35%)

70 (26%)

9

191

0.09±0.43

0.13±0.43

130 (68%)

84 (44%)

44 (23%)

10

302

0.88±0.13

0.86±0.14

61 (20%)

17 (6%)

1

Category C

      

11

1,834

0.62±0.27

0.80±0.17

844 (46%)

347 (19%)

129 (7%)

12

4.777

0.15±0.29

0.16±0.28

2,661 (56%)

1,135 (24%)

427 (9%)

13

1,861

0.33±0.35

0.35±0.32

922 (50%)

345 (19%)

103 (6%)

14

2,361

0.34±0.31

0.30±0.35

1,259 (53%)

573 (24%)

234 (10%)

15

2,022

0.50±2.9

0.38±0.32

923 (46%)

500 (25%)

318 (16%)

16

15

0.31±0.34

0.45±0.40

4 (26.7%)

3 (20%)

2 (13%)

17

764

0.71±0.27

0.69±0.34

197 (26%)

99 (13%)

62 (8%)

Category D

      

18

1,841

0.66±0.28

0.61±0.31

354 (19%)

114 (6%)

35 (2%)

19

578

0.04±0.36

0.06±0.34

319 (55%)

162 (28%)

87 (15%)

20

718

0.65±0.35

0.48±0.43

339 (47%)

215 (30%)

135 (19%)

  1. RAP: Relationship Amplitude – Pressure.