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Table 2 Mean ICP recorded from sensor 1 and sensor 2

From: Baseline pressure errors (BPEs) extensively influence intracranial pressure scores: results of a prospective observational study

Pat Number of 6-sec TS observations Mean ICP (mmHg; average ± std) Difference mean ICP (mmHg; average ± std) Percentage of 6-sec TS with difference in mean ICP:
   Sensor 1 Sensor 2 Sensor 2 – Sensor 1 ≥5 mmHg ≥10 mmHg ≥15 mmHg
1 77,900 8.7 + 4.1 1.1 + 3.9 -7.6 ± 1.9 90 1 -
2 66,612 9.7 + 9.4 5.6 + 5.9 -4.1 + 9.6 65 14 10
3 133,387 5.4 + 4.8 6.0 + 4.8 0.6 + 1.2 - - -
4 84,355 7.2 + 4.1 8.2 + 4.0 0.9 + 0.6 - - -
5 41,708 7.4 + 5.8 8.1 + 5.4 0.8 + 0.7 - - -
6 47,972 4.4 + 3.4 9.5 + 3.2 5.1 + 0.4 55 - -
7 127,305 6.9 + 4.3 7.4 + 3.9 0.4 + 1.6 1 - -
8 147,216 9.5 + 4.9 4.8 + 4.0 -4.8 + 2.7 27 5 -
9 170,327 8.1 + 5.1 10.3 + 5.1 2.3 + 3.6 11 6 2
10 139,019 6.9 + 3.5 8.5 + 3.5 1.7 + 0.7 - - -
11 58,886 12.2 + 4.7 11.9 + 4.6 -0.4 + 0.9 - - -
12 123,334 11.2 + 3.8 11.0 + 3.7 -0.2 + 0.5 - - -
13 61,780 1.0 + 4.9 5.7 + 4.9 4.7 + 4.4 39 9 1
14 83,510 7.0 + 3.4 7.4 + 3.6 0.4 + 0.7 - - -
15 218,383 5.4 + 3.8 2.9 + 3.5 -2.5 + 1.0 2 - -
16 112,501 12.1 + 6.0 1.4 + 5.9 -10.7 + 1.2 100 80