Table 2 Details on episodes of prone positioning
Episodes of prone positioning | Â |
 Overall, n | 276 |
 Per patient, median, (IQR) | 4 (4) |
 With ECMO | 152 |
 Without ECMO | 124 |
 Sevoflurane consumption/episode [ml], median (IQR) | 48 (17) |
 Duration [h], median (IQR) | 17 (3) |
Cumulative hours of PP | 4339 |
Cumulative hours of PS during PP | 3948 |
RASS, median (IQR) during PP | − 4.5 (1.5) |
pH before conversion to PS, median (IQR) | Â |
 Prone episode 1 | 7.313 (0.116) |
 Prone episode 2 | 7.35 (0.102) |
 Prone episode 3 | 7.356 (0.103) |
 Prone episode 4 | 7.374 (0.117) |
 Prone episode 5 | 7.371 (0.092) |