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Table 5 Levels of BPE (difference in mean ICP between sensors 1 and 2 with close to identical waveform)

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

   Levels of BPE (absolute values)
Pat. Number of 6-sec TS observations a ≥2 mmHg/<5 mmHg N (%) ≥5 mmHg/<10 mmHg N (%) ≥10 mmHg/<15 mmHg N (%) ≥15 mmHg/<20 mmHg N (%)
1 49,664 1,115 (2%) 48,159 (97%) 389 (1%) 1
2 5,987 2,027 (34%) 3,576 (60%) 100 (2%) 256 (4%)
3 12,6481 3,351 (3%) 311 16 5
4 74,612 90    
5 39,938 551 (1%)    
6 29,613 12,819 (43%) 16,794 (57%)   
7 104,784 6,565 (6%) 100   
8 107,760 81,708 (76%) 17,120 (16%) 2,897 (3%) 325
9 122,850 2,406 (2%) 63 36 32
10 135,700 32,788 (24%) 30   
11 57,124 6,934 (12%) 126 1  
12 122,731 37    
13 42,802 28,677 (67%) 10,700 (25%) 3,305 (8%) 118
14 73,063 2,596 (4%) 3   
15 185,697 143,272 (77%) 4,415 (2%) 7 11
16 98,086 100 20,474 (21%) 77,512 (79%)  
  1. BPE: Baseline Pressure Error. aIncluding only 6-s TS with close to identical waveform, quantified as 6-sec TS with difference in MWA <0.5 mmHg. Numbers (and percentages) that we consider as major.