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Table 3 Proportion of 4-min observations with RAP <0.6 in both signals (left), RAP ≥ 0.6 in both signals (middle) and RAP ≥ 0.6 in one signal while RAP < 0.6 in another signal (right)

From: The effect of baseline pressure errors on an intracranial pressure-derived index: results of a prospective observational study

PatID

RAP SIGNAL 1 < 0.6/RAP SIGNAL 2 < 0.6

RAP SIGNAL 1 ≥ 0.6/RAP SIGNAL 2 ≥ 0.6

RAP SIGNAL 1 ≥ 0.6/RAP SIGNAL 2 < 0.6 or RAP SIGNAL 1 < 0.6/RAP SIGNAL 2 ≥ 0.6

1

1,360 (73.5%)

369 (20%)

121 (6.5%)

2

910 (83.5%)

19 (1.7%)

161 (14.8%)

3

1,521 (32%)

2,776 (59%)

409 (9%)

4

1,371 (64.7%)

624 (29.4%)

124 (5.9%)

5

547 (33.1%)

1,017 (61.6%)

87 (5.3%)

6

652 (58%)

368 (33%)

99 (9%)

7

779 (24%)

2,148 (67%)

282 (9%)

8

45.6 (45%)

1,231 (32.9%)

809 (21.6%)

9

1,498 (35.5%)

2,051 (48.6%)

672 (15.9%)

10

2,800 (79.1%)

598 (16.9%)

140 (4%)

11

521 (34.9%)

891 (59.6%)

82 (5.5%)

12

323 (10.5%)

2,719 (88.0%)

47 (1.5%)

13

974 (70%)

217 (16%)

190 (14%)

14

1,349 (64.5%)

585 (28%)

159 (7.6%)

15

2,619 (47%)

2,425 (44%)

478 (9%)

16

1,798 (63.7%)

830 (29.4%)

196 (6.9%)

  1. RAP: correlation coefficient (R) between the intracranial pressure (ICP) wave amplitude (A) and the mean ICP level (P).