Oxygenate before induction |
|
|
|
|
|
N |
387 |
175 |
212 |
--- |
--- |
For how long? |
|
|
|
|
|
> 5 minutes |
0.10 (0.07, 0.14) |
0.13 (0.08, 0.19) |
0.08 (0.05, 0.13) |
0.61 (0.30, 1.23) |
0.168 |
3–5 minutes |
0.55 (0.51, 0.60) |
0.54 (0.47, 0.61) |
0.56 (0.49, 0.63) |
1.08 (0.69, 1.68) |
0.742 |
< 3 minutes |
0.11 (0.08, 0.15) |
0.13 (0.08, 0.19) |
0.10 (0.07, 0.14) |
0.76 (0.44, 1.32) |
0.337 |
4 vital capacity breaths |
0.12 (0.09, 0.16) |
0.13 (0.09, 0.18) |
0.12 (0.08, 0.18) |
0.97 (0.56, 1.70) |
0.921 |
Until EtO2 >80% |
0.19 (0.14, 0.25) |
0.16 (0.11, 0.23) |
0.21 (0.16, 0.28) |
1.41 (0.87, 2.29) |
0.159 |
Apply cricoid pressure |
|
|
|
|
|
N |
351 |
160 |
191 |
--- |
--- |
When is it applied? |
|
|
|
|
|
Before the induction drug |
0.28 (0.25, 0.33) |
0.35 (0.28, 0.43) |
0.23 (0.18, 0.29) |
0.56 (0.34, 0.91) |
0.019 |
At the same time as induction drug |
0.57 (0.52, 0.62) |
0.56 (0.48, 0.63) |
0.58 (0.52, 0.64) |
1.11 (0.73, 1.68) |
0.634 |
After loss of lid reflex |
0.08 (0.06, 0.12) |
0.07 (0.04, 0.14) |
0.09 (0.06, 0.14) |
1.20 (0.53, 2.74) |
0.657 |
After loss of verbal contact |
0.06 (0.04, 0.09) |
0.02 (0.01, 0.06) |
0.10 (0.07, 0.15) |
5.78 (1.76,19.00) |
0.004 |
Ventilate patient with a facemask |
|
|
|
|
|
N |
297 |
126 |
171 |
--- |
--- |
When do you attempt to ventilate? |
|
|
|
|
|
Before administration of muscle relaxant |
0.41 (0.35, 0.48) |
0.47 (0.38, 0.56) |
0.37 (0.30, 0.46) |
0.68 (0.46, 1.01) |
0.058 |
After administration of muscle relaxant |
0.35 (0.30, 0.42) |
0.37 (0.28, 0.46) |
0.35 (0.27, 0.43) |
0.92 (0.55, 1.53) |
0.738 |
Both before and after administration of muscle relaxant |
0.26 (0.20, 0.32) |
0.17 (0.10, 0.26) |
0.32 (0.25, 0.41) |
2.37 (1.22, 4.61) |
0.011 |
How many breaths do you give? |
|
|
|
|
|
1 breath |
0.28 (0.22, 0.36) |
0.31 (0.22, 0.42) |
0.26 (0.20, 0.34) |
0.80 (0.48, 1.31) |
0.373 |
< 5 |
0.48 (0.42, 0.55) |
0.56 (0.45, 0.65) |
0.43 (0.36, 0.51) |
0.61 (0.38, 0.99) |
0.047 |
5–10 breaths |
0.20 (0.15, 0.25) |
0.15 (0.10, 0.22) |
0.23 (0.17, 0.30) |
1.66 (0.94, 2.94) |
0.080 |