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Table 2 Study outcomes, expressed as % (number), mean (+/−SD), or median [IRQ]

From: Pleth variability index versus pulse pressure variation for intraoperative goal-directed fluid therapy in patients undergoing low-to-moderate risk abdominal surgery: a randomized controlled trial

 

PVI

PPV

p-value

Intraoperative data

 Total colloid (ml)

500 [0–750]

250 [0–500]

0.275

 Total crystalloid (ml)

500 [350–740]

550 [450–663]

0.458

 Estimated blood loss (ml)

100 [50–300]

100 [50–163]

0.445

 Urine output (ml)

150 [79–250]

150 [100–250]

0.803

 Intraoperative phenylephrine

26.3 (10)

21.1 (8)

0.589

Postoperative data

 LOS PACU (min)

105 [90–135]

90 [45–135]

0.382

 PACU PONV

10.5 (4)

7.9 (3)

0.692

Number of antiemetics PACU

0.330

 0

89 (34)

92 (35)

 

 1

5.3 (2)

7.9 (3)

 

 2

5.3 (2)

0 (0)

 

Hypotension PACU

5.3 (2)

7.9 (3)

0.644

VAS Day 1 score

1 [0–2]

2 [0–2]

0.925

Ward PONV

7.9 (3)

7.9 (3)

1.000

Fever

7.9 (3)

2.6 (1)

0.304

Post-operative complications

4 (10.5)

2 (5.3)

0.395

Time to first ambulation

1 [1–2]

2 [1–2]

0.231

  1. LOS length of stay, PONV postoperative nausea or vomiting, PACU post anesthesia care unit, VAS visual analogue scale