Table 2 Change in air-flow parameters caused by addition of CBRN filter to circuit
Protocol number | Loss of PIP cmH2O (%) | Loss of PEEP cmH2O (%) | Loss of TV ml (%) | Notes |
|---|---|---|---|---|
1 | 3 (25) | 0 | a | |
2 | 1 (7) | −1 (−20) | a | |
3 | 3 (15) | 0 | a | |
4 | 0 | 0 | 10 (3) | b |
5 | 1 (5) | 0 | 40 (10) | b |
6 | 3 (12) | 0 | 50 (11) | b |
7 | 1 (10) | 0 | 10 (7) | c |
8 | 1 (7) | 0 | 30 (10) | c |
9 | 2 (10) | 1 (20) | 20 (5) | c |
10 | 1 (8) | 1 (25) | 30 (9) | c |
11 | 1 (7) | 0 | 20 (7) | c |
12 | 1 (7) | 0 | 10 (5) | c |
13 | 1 (8) | 0 | 10 (5) | d |
14 | 2 (11) | 0 | 0 | d |
15 | 3 (12) | 0 | −10 (−2) | d |
16 | 3 (10) | 1 (20) | −10 (−2) | d |
Mean = 1.7 (10) | Mean = 0.1 (3) | Mean = 16.2 (5) |