Table 1 Patients’ clinical and operative characteristics of transesophageal Doppler (TED) compared to plethysmography variability index (PVI)
TED | PVI | P | |
|---|---|---|---|
n = 20 | n = 20 | ||
Age (y) | |||
• Min-max | 32.00–66.00 | 34.00–64.00 | |
• Mean ± std. deviation | 57.00 ± 7.49 | 55.60 ± 0.46 | Z(MW) = 0.367 p = 0.714 NS |
• 95% CI for mean | 53.50–60.50 | 51.65–59.56 | |
• Median (IQR) | 59.50 (55.00–61.50) | 57.50 (54.50–61.50) | |
• KS test of normality | D = 0.205, p = 0.027* | D = 0.229, p = 0.007* | |
Surgical time (min) | |||
• Min-max | 120.00–240.00 | 120.00–250.00 | Z(MW) = 1.021 p = 0.307 NS |
• Mean ± std. deviation | 204.00 ± 35.19 | 192.00 ± 37.18 | |
• 95% CI for mean | 187.5–220.47 | 174.5–209.40 | |
• Median (IQR) | 210.00 (180.00–240.00 | 185.00 (160.00–225.00) | |
• KS test of normality | D = 0.153, p = 0.200 NS | D = 0.127, p = 0.200 NS | |
Anesthesia time (min) | |||
• Min-max | 165.00–285.00 | 150.00–280.00 | Z(MW) = 1.512 p = 0.131 NS |
• Mean ± std. deviation | 243.75 ± 35.76 | 227.00 ± 37.29 | |
• 95% CI for mean | 227.0148 | 209.5479 | |
• Median (IQR) | 260.4852 | 244.4521 | |
• KS test of normality | 240.00( (225.00–277.50) D = 0.169, p = 0.139 NS | 230.00 (190.00–260.00) D = 0.139, p = 0.200 NS | |
MELD score | |||
• Min-max | 6.43–9.85 | 6.43–11.90 | |
• Mean ± std. deviation | 8.36 ± 0.98 | 8.40 ± 1.73 | |
• 95% CI for mean | 7.90–8.82 | 7.59–9.20 | Ζ(MW) = 1.393 p = 0.694 NS |
• Median (IQR) | 8.52 (7.65–9.13) | 7.94 (7.13–9.65) | |
• KS test of normality | D = 0.157, p = 0.200 NS | D = 0.157, p = 0.200 NS | |
BMI (kg/m2) | |||
• Min-max | 60.00–100.00 | 52.00–90.00 | |
• Mean ± std. deviation | 80.65 ± 9.72 | 74.30 ± 11.37 | |
• 95% CI for mean | 77.09–86.20 | 68.99–79.61 | Z(MW) = 1.888 p = 0.059 NS |
• Median (IQR) | 80.00 (76.50–89.00) | 75.00 (65.00–85.00) | |
• KS test of normality | D = 0.117, p = 0.200 NS | D = 0.128, p = 0.200 NS | |
Type of liver resection | |||
Caudate lobe | 1 (5.0%) | 2 (10.0%) | Z = 0.600 p = 0.5485 NS |
Right formal | 1 (5.0%) | 4 (20.0%) | Z = 1.4343 p = 0.1527 NS |
Left formal | 3 (15.0%) | 0 (0.0%) | Z = 1.800 p = 0.0718 NS |
Left lateral | 5 (25.0%) | 3 (15.0%) | Z = 0.790 p = 0.4295 NS |
Non anatomical | 10 (50.0%) | 11 (55.0%) | Z = 0.3166 p = 0.7489 NS |