Skip to main content

Table 1 Baseline patient characteristics

From: Outcome impact of individualized fluid management during spine surgery: a before-after prospective comparison study

Variables Control
(n = 150)
IFM
(n = 150)
p value
Age (yr) 59.2 (45.4–73.0) 57.9 (40.7–75.1) 0.448
Gender(M/F) 63 (43) 61 (41) 0.725
BMI (kg/m2) 25.4 (22.1–28.7) 25.4 (21.5–29.3) 0.971
ASA score(n)
  < =II 144 (91) 141 (94)  
  > II 6 (9%) 9 (6%) 1
Comorbidity
 Hypertension 61 (40.7) 66 (44) 0.514
 Coronary artery disease 10 (6.7) 10 (6.7) 0.987
 Diabetes Mellitus type II 25 (16.8) 21 (14) 0.521
Baseline Hb (g/L) 135 (115–155) 136 (122–150) 0.486
Baseline HR (bpm) 79 (70–88) 77 (68–86) 0.162
Baseline SBP (mmHg) 132 (117–147) 130 (114–146) 0.121
Baseline Creatinine (ug/ml) 67 (54–80) 68 (49–87) 0.657
  1. Data are presented as mean ± SD, or absolute numbers (percentage). IFM: Individualized fluid management; BMI: Body mass index; ASA: American Society of Anesthesiologists; Hb: Haemoglobin; HR: Heart rate; SBP: Systolic blood pressure