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Table 2 Comparison of perioperative blood loss between the two groups

From: Effects of remimazolam and propofol on sleep rhythm and delirium after spinal surgery in elderly patients

Index

Group R (n = 60)

Group P (n = 60)

P

Preoperative haemoglobin (g/L)

124..46 ± 21.74

121.35 ± 18.31

0.397

Preoperative albumin (g/L)

40.30 ± 4.66

38.81 ± 5.48

0.112

Operation time (min)

152.16 ± 38.88

149.01 ± 42.58

0.671

Anaesthesia time (min)

166.65 ± 31.17

163.91 ± 37.05

0.661

Bleeding (ml)

197.33 ± 85.52

179.16 ± 77.77

0.226

Extubation time (min)

2.73 ± 0.94

4.20 ± 1.86

0.000

PACU residence time (min)

15.21 ± 0.93

31.50 ± 9.25

0.000

Total number of presses with analgesic pumps (second)

5.43 ± 2.93

4.71 ± 2.47

0.141

Effective press times (second)

2.52 ± 0.60

2.37 ± 0.58

0.173

Remedial analgesia (n/%)

7/11.7

5/8.3

0.543

  1. Values are given as the count or as the mean standard deviation (x ± SD). P < 0.05