Table 2 Trigger and cycle times of diaphragm and parasternal intercostal muscles at different pressure support levels
| Â | PS base | PS-2 | PS-4 | PS-6 |
|---|---|---|---|---|
Diaphragm | Â | Â | Â | Â |
 Trigger time (s) | 0.42 [0.35 to 0.48] | 0.43 [0.36 to 0.55] | 0.38 [0.28 to 0.49] | 0.41 [0.35 to 0.51] |
 Cycle time (s) | 0.03 [− 0.08 to 0.08] | 0.06 [− 0.01 to 0.12] | 0.03 [− 0.02 to 0.10] | 0.03 [− 0.04 to 0.14] |
ICM | Â | Â | Â | Â |
 Trigger time (s) | 0.43 [0.38 to 0.56] | 0.49 [0.39 to 0.52] | 0.47 [0.37 to 0.55] | 0.43 [0.38 to 0.50] |
 Cycle time (s) | 0.08 [0.00 to 0.17] | 0.06 [− 0.01 to 0.13] | 0.05 [0.02 to 0.15] | 0.04 [0.00 to 0.12] |