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Table 2 Intraoperative data

From: Intraoperative pleth variability index-based fluid management therapy and gastrointestinal surgical outcomes in elderly patients: a randomised controlled trial

 

CFT (n = 104)

GDFT (n = 107)

P-value

Type of surgery, n (%)

 Colon resection

49 (47.1)

40 (37.4)

 

 Rectum resection

26 (25.0)

36 (33.6)

 

 Gastric resection

29 (27.9)

31 (29.0)

0.280

Surgical method, n (%)

 Open

23 (22.1)

31 (29.0)

 

 Laparoscopic

81 (77.9)

76 (71.0)

0.254

Duration of surgery (min)

235 (190, 290)

202 (175, 270)

0.093

Anaesthesia time (min)

290 (230, 345)

257 (210, 313)

0.096

Total volume of fluid administered (mL)

2500 (2000, 3100)

2075 (1900, 2600)

0.008*

Crystalloid infusion (mL)

1795 (1500, 2187)

1450 (1200, 2100)

0.009*

Colloid infusion (mL)

500 (500, 1000)

500 (500, 500)

0.308

Estimated blood loss (mL)

100 (30, 200)

50 (30, 200)

0.410

Patients receiving a blood transfusion, n (%)

19 (18.3)

13 (12.1)

0.214

Urine output (mL)

400 (300, 600)

400 (200, 500)

0.350

Patients receiving a vasoactive infusion, n (%)

50 (48.1)

44 (41.1)

0.295

Lactate before skin incision, mEq/L

0.9 (0.7, 1.1)

1.0 (0.7, 1.4)

0.675

Lactate at PACU departure, mEq/L

0.9 (0.7,1.1)

1.1 (0.8, 1.5)

0.733

  1. Continuous data are expressed as mean ± standard deviation or median (interquartile range). Categorical data are expressed as the number of patients (percentage). Statistical significance was tested by the t-test, Mann–Whitney test, and Fisher exact test
  2. CFT Conventional fluid therapy, GDFT Goal-directed fluid therapy, PACU Post-anaesthesia care unit
  3. *Statistically significant difference