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Table 2 Primary and secondary outcomes

From: The effects of hemodynamic management using the trend of the perfusion index and pulse pressure variation on tissue perfusion: a randomized pilot study

  Intervention group (n = 17) Control group (n = 17) P value
Peak lactate levels (mmol/L) 1.4 ± 1.0 1.2 ± 0.5 0.98b
Duration of hypotension (min/h) 7.7 ± 5.0 17.1 ± 10.6 0.003b
Intraoperative fluid balance (mL/kg/h) 4.3 ± 1.3 7.2 ± 3.3 0.003b
Intraoperative urine output (mL/kg/h) 0.9 ± 0.8 1.2 ± 1.0 0.42a
Postoperative complication rate (%) 0 0 > 0.99c
  1. Values are expressed as mean ± standard deviation or percentage
  2. aP values were calculated using Student’s t test
  3. bP values were calculated using Mann-Whitney test
  4. cP values were calculated using Fisher’s exact test