Table 2 Comparison of the differences in pre- and post-procedure maximum respiratory pressures (Δ: pre-post) between different patient groups
From: Flexible bronchoscopy may decrease respiratory muscle strength: premedicational midazolam in focus
N | Δ MIP (pre-post) | Δ MEP (pre-post) | |||
|---|---|---|---|---|---|
Mean ± SD (cmH2O) | p | Mean ± SD (cmH2O) | p-value | ||
Age (years) | |||||
<60 | 69 | 2.7 ±16.4 | NS | 10.0 ±22.61 | NS |
≥60 | 71 | 7.2 ±14.8 | 10.0 ±15.7 | ||
Smoking | |||||
Non-smoker | 67 | 6.2 ±16.5 | NS | 9.8 ±14.8 | NS |
Smoker | 73 | 3.9 ±14.9 | 10.2 ±22.7 | ||
COPD | |||||
No | 96 | 5.4 ±15.7 | NS | 11.2 ±21.4 | NS |
Yes | 44 | 4.2 ±15.9 | 7.4 ±13.5 | ||
Duration of bronchoscopy (min) | |||||
<15.5 | 69 | 4.5 ±16.6 | NS | 10.2 ±20.0 | NS |
≥15.5 | 71 | 5.5 ±15.0 | 9.9 ±18.8 | ||
Midazolam group | |||||
A | 34 | 0.4 ±16.0 | <0.001 | 6.2 ±16.0 | <0.05 |
B | 66 | 1.8 ±13.4 | 7.8 ±17.6 | ||
C | 40 | 14.2 ±15.6* | 16.8 ±22.9** | ||