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Table 1 Demographics and surgical characteristics

From: Effects of circadian rhythm on Narcotrend index and target-controlled infusion concentration of propofol anesthesia

Parameters

Narcotrend (n = 30)

P values

CLT (n = 30)

P values

Group

ND

NN

CLTD

CLTN

Gender (male/female)

4/11

5/10

0.690

6/9

5/10

0.705

Age (years)

39.4 ± 5.7

44.1 ± 4.6

0.283

39.1 ± 4.3

41 ± 3.7

0.200

BMI (kg/m2)

20.2 ± 1.4

21.5 ± 2.3

0.088

23.4 ± 1.6

23.4 ± 2.2

0.992

Duration of surgery (min)

235.5 ± 99.4

107.6 ± 26.9

0.000

103.4 ± 30.2

92.9 ± 19.0

0.332

Extubation time (min)

41.2 ± 22.3

10.3 ± 14.0

0.000

7.5 ± 9.9

6.1 ± 6.5

0.698

PACU stay (min)

74.3 ± 33.2

42.4 ± 19.0

0.000

29.9 ± 7.3

36.4 ± 11.5

0.113

Intraoperative propofol (mg/kg)

21.9 ± 6.1

10.1 ± 2.8

0.000

11.5 ± 4.3

8.4 ± 1.0

0.022

Intraoperative remifentanil (mg/kg)

0.03 ± 0.01

0.02 ± 0.01

0.003

0.02 ± 0.003

0.02 ± 0.004

0.182

Intraoperative cisatracurium (mg/kg)

0.8 ± 0.4

0.3 ± 0.1

0.003

0.31 ± 0.11

0.32 ± 0.10

0.800

Fluid infused (ml/hr)

593.1 ± 206.6

707.4 ± 335.3

0.334

568.6 ± 241.4

705.6 ± 314.0

0.189

Blood loss (ml/kg)

5.0 ± 4.8

0.8 ± 0.5

0.006

1.4 ± 1.7

1.4 ± 1.4

0.989

Urine output (ml/kg/hr)

2.0 ± 0.9

2.6 ± 1.5

0.220

0.8 ± 1.0

1.5 ± 0.8

0.037

Ephedrine use(n)

6(40%)

2(13.3%)

0.278

1(6.7%)

3(20%)

0.283

Atropine use(n)

1(6.7%)

0(0)

0.309

0(0)

0(0)

/

  1. Note: Data are presented as total number (%), mean ± standard deviation
  2. Abbreviations: ND Narcotrend monitor during the day (8:00–18:00), NN Narcotrend monitor during the night (22:00–5:00), CLT Closed-loop TCI, CLTD Closed-loop TCI during the day (8:00–18:00), CLTN Closed-loop TCI during the night (22:00–5:00), BMI Body mass index