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Table 4 Preoperative and postoperative blood tests and postoperative complications

From: Comparison of restrictive fluid therapy with goal-directed fluid therapy for postoperative delirium in patients undergoing spine surgery: a randomized controlled trial

 

Group RF (n = 97)

Group GDT (n = 98)

P value

VAS pain score, med (IQR)

 24 h postoperatively, med (IQR)

3 (2–4)

3 (2–4)

0.753

 48 h postoperatively, med (IQR)

2 (2–3)

2 (2–3)

0.854

 72 h postoperatively, med (IQR)

2 (1–2)

2 (1–3)

0.855

Preoperative creatinine (μmol/l), med (IQR)

57 (49–68)

59 (48–73)

0.672

Postoperative creatinine (μmol/l), med (IQR)

57 (49–78)

56 (44–66)

0.074

Preoperative lactic acid, med (IQR)

1.2 (0.7–1.6)

1.2 (0.9–1.7)

0.393

Postoperative lactic acid, med (IQR)

1.3 (1.0–1.8)

1.2 (0.8–1.4)

0.001

Change of lactic acid, med (IQR)

0.2 (0.0–0.3)

-0.1 (-0.3–0.0)

0.000

Complications, n (%)

 PONV, n (%)

13 (13.4)

16 (16.3)

0.566

 Hypotension, n (%)

5 (5.2)

1 (1.0)

0.118

 Acute renal injury, n (%)

4 (4.1)

1 (1.0)

0.212

 Wound infection, n (%)

2 (2.0)

0 (0.0)

0.246

 Arrhythmia, n (%)

3 (3.1)

1 (1.0)

0.369

 Pneumonia, n (%)

1 (1.0)

1 (1.0)

1.000

  1. VAS visual analog scale, PONV postoperative nausea and vomiting, Change of lactic acid postoperative lactic acid–preoperative lactic acid