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Table 2 Preoperative, pre-induction and intraoperative blood pressure. Values are median (IQR [range])

From: Care of elderly patients: a prospective audit of the prevalence of hypotension and the use of BIS intraoperatively in 25 hospitals in London

 

Preoperative (mmHg)

Pre-induction (mmHg)

Lowest intraoperative (mmHg)

Difference between preoperative and pre-induction value (Wilcoxon matched pairs)

Systolic

140 [125–151 (90–209)]

140 [125–155 (80–215)]

90 [80–100 (46–157)]

p = 0.02

Diastolic

77 [69–85 (23–114)]

78 [68–85 (38–178)]

50 [42–58 (25–94)]

p = 1.00

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Perioperative Medicine

ISSN: 2047-0525