Variable | Respiratory rate monitoring (n = 69) | Traditional monitoring (n = 126) | P value |
---|---|---|---|
Age (year) | 64.8 ± 12.7 | 64.3 ± 13.3 | 0.818 |
Gender (M/F) | 39/30 | 69/57 | 0.881 |
BMI (kg/m2) | 22.3 ± 3.2 | 22.9 ± 3.1 | 0.201 |
ASA grade (I/II/III/IV) | 12/53/4/0 | 20/100/6/0 | 0.908 |
% VC | 107.1 ± 20.3 | 112.6 ± 14.7 | 0.052 |
FEV1.0% | 76.3 ± 10.8 | 79.0 ± 11.1 | 0.103 |
Smoking | 30/69 | 30/126 | 0.006 |
COPD | 11/69 | 3/126 | 0.001 |
Active liver diseasea | 11/69 | 26/126 | 0.453 |
Hemodialysis | 4/69 | 4/126 | 0.457 |