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Table 2 Comparison of intake and output between the two groups

From: Effects of controlled hypotension with restrictive transfusion on intraoperative blood loss and systemic oxygen metabolism in elderly patients who underwent lumbar fusion

 

MAP 65 group

n = 20

MAP 75 group

n = 20

P value

Amount of bleeding (ml)

493 ± 294

564 ± 311

0.4627

Urine volume (ml)

259 ± 123

210 ± 98

0.1716

Colloidal fluid usage (ml)

215 ± 121

210 ± 140

0.9045

Crystal liquid usage (ml)

1160 ± 238

1135 ± 181

0.7105

Total amount of liquid (ml)

1392 ± 263

1350 ± 221

0.5877

Auto-blood reclaiming (ml)

313 ± 255

388 ± 56

0.2067