Table 1

Differences in baseline characteristics between MAC and GA
Study Yamamoto Motloch Dhedin Ben-Dor Behan Linke Covello
MA GA MAC GA MAC GA MAC GA MAC GA MAC GA MAC GA
n 130 44 41 33 34 91 42 27 9 3 547 449 42 27
Logistic EuroScore 22.0* 26.6* NA NA 23.6 24 40.1* 28.1* 21.8 22.9 ** ** 27.3 22.9
STS score (mortality) 11.2 14.3 20.8 16.5 9.2* 14* NA NA NA NA NA NA NA NA
Prior CVA/TIA 10.1% 11.1% 14.6% 24.2% 12% 11% 30%* 9.1%* 11% 33% NA NA 19% 15%
CAD 10.1% 11.1% 43.9% 42.4% 44% 52% 55.7% 45.5% NA NA ** ** 57% 44%
Renal dysfunction (CrCl >60 ml/minute) 68.5% 63.6% NA NA 56% 44% 37.1% 50% 11% 0% NA NA NA NA
Age 83.7 84.7 82.6 83.4 83.5 83 84.1 83.7 80 83 ** ** 79.5 77.6
Females 60.5% 53.3% 65.9% 45.5% 47% 50% 58.5% 63.6% 33% 33% ** ** NA NA
Diabetes 25.6% 13.3% 29.3% 27.3% 23% 19% 30% 31.8% NA NA ** ** 33% 30%
Hypertension 81.4% 73.3% 82.5% 75.8% 74% 64% 90% 95.5% NA NA NA NA NA NA
COPD 23.3% 24.4% 9.8% 12.1% 15% 30% 14.3% 9.1% 33% 33% NA NA 69% 37%
EF 50.4%* 45.1%* 53.6% 54.8% 57% 50% 52.7% 55.2% NA NA NA NA NA NA
AVA (cm2) 0.67 0.72 0.6 0.6 0.42 0.38 0.63 0.65 NA NA NA NA NA NA

A, not available; AVA aortic valve area, CAD coronary artery disease, COPD, chronic obstructive pulmonary disease; CVA/TIA, cerebrovascular accident/transient ischemic attack; EF ejection fraction, GA, general anesthesia; MAC, monitored anesthesia care; STS, Society of Thoracic Surgeons score; *significant. **No statistically significant difference according to authors, numbers not available.

Fröhlich et al.

Fröhlich et al. BMC Medicine 2014 12:41   doi:10.1186/1741-7015-12-41

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