Table 1 Basic information and surgical data

Age (yr)

65(9.5)

66(12.25)

-0.016

Gender

 Male

22(57.9%)

23(60.5%)

0.054

0.815

 Female

16(42.1%)

15(39.5%)

BMI (kg/m²)

24.20 ± 2.68

24.22 ± 2.67

-0.027

ASA

 I

0

0

 II

30(78.9%)

31(81.6%)

0.083

 III

8(21.1%)

7(18.4%)

Incision

 Non-stoma

29(76.3%)

30(78.9%)

0. 076

 Stoma

9(23.7%)

8(21.1%)

Comorbidities

0.697

 Hypertension

9(23.7%)

10(26.3%)

 Diabetes mellitus

3(7.9%)

5(13.2%) 0.769

 None

26(68.4%)

23(60.5%)

Pulse rate

76(14)

77.5(16.5)

-0.946

MAP

100.32 ± 10.87

96.29 ± 10.37

0.442

Duration of surgery (min)

159.68 ± 45.59

157.74 ± 42.77

0.192

Time of extubation (min)

14.11 ± 5.90

11.82 ± 4.83

1.851

Perioperative medications

 Propofol (mg)

130(20)

140(30)

-1.391

 Sufentanil (µg)

26(3.5)

28(5)

-1.587

 Vecuronium bromide (mg)

7(1)

7(1.25)

-1.442

 Remifentanil (mg)

0.741 ± 0.162

0.667 ± 0.158

-1.867

 Norepinephrine (µg)

2(23)

6(16)

-0.814

 Ephedrine (mg)

0(0)

0(0)

-0.015

 Atropine (mg)

0(0)

0(0)

0.000

 Esmolol (mg)

0(0)

0(0)

0.000

Infusion volume (mL)

2000(500)

2225(500)

-0.214

Blood volume (mL)

100(142.5)

100(150)

-0.473

Urine volume (mL)

300(100)

200(162.5)

-0.21

PSQI scores

10(2)

10(3)

-0.582