Table 3.
Gas stimulus | Mean phase lag | Standard deviation | Number of studies |
---|---|---|---|
Air/Cb (2%) | 2 min 21 sec (1.18π) | 28 sec (0.23π) | 5 |
Ox/Cb (2%) | 1 min 33 sec (0.78π) | 1 min 6 sec (0.55π) | 3 |
Air/Cb (5%) | 3 min 26 sec (1.72π) | 52 sec (0.43π) | 6 |
Ox/Cb (5%) | 3 min 37 sec (1.81π) | 42 sec (0.35π) | 7 |