| All patients (n = 97) | Responders (n = 41) | Nonresponders (n = 56) | P-value |
---|---|---|---|---|
Male/female | 61/36 | 25/16 | 36/20 | 0.83b |
Age, y | 71.6(65–88) | 71.2(65–84) | 71.9(65–88) | 0.50c |
BMI, kg/m2 | 23.0 ± 2.5 | 23.2 ± 2.6 | 22.8 ± 2.5 | 0.37a |
ASA PS I/II/III | 16/52/29 | 6/20/15 | 10/32/14 | 0.47b |
Diagnosis | ||||
 Stomach tumour | 26 | 12 | 14 | 0.64b |
 Intestinal tumour | 63 | 27 | 36 | 1.00b |
 Enterostomy closure | 8 | 2 | 6 | 0.46b |
Type of surgery | ||||
 Laparoscopic surgery | 89 | 39 | 50 | 0.26b |
 Open surgery | 8 | 2 | 6 | 0.26b |
 Comorbidities | ||||
 Hypertension | 18 | 8 | 10 | 1.00b |
 Diabetes mellitus | 7 | 3 | 4 | 1.00b |
 Coronary artery disease | 3 | 2 | 1 | 0.57b |
 Baseline SBP, mmHg | 130.9 ± 10.7 | 129.8 ± 12.0 | 131.6 ± 9.8 | 0.42a |
 Baseline DBP, mmHg | 71.0 ± 8.1 | 71 ± 8.6 | 70.9 ± 7.8 | 0.95a |
 Baseline MAP, mmHg | 90.9 ± 7.9 | 90.5 ± 7.8 | 91.2 ± 8.1 | 0.66a |
 Baseline HR, beats/min | 69.2 ± 9.0 | 68.7 ± 10.1 | 69.6 ± 8.3 | 0.65a |
 Baseline carotid FTc, ms | 343.2 ± 10.1 | 337.2 ± 9.1 | 347.6 ± 8.5 |  < 0.001a |
 Baseline ΔVpeak, % | 10.7 ± 2.3 | 12.4 ± 1.8 | 9.5 ± 1.8 |  < 0.001a |