Table 2 Surgical and anesthetic characteristics

Type of lung surgery

0.857

 Wedge resection

10 (23.8)

10 (23.8)

7 (16.7)

10 (23.8)

 Lobectomy

32 (76.2)

32 (76.2)

35 (83.3)

32 (76.2)

Duration of surgery, min

113 [94,130]

113 [85,130]

108 [85,135]

112 [89,130]

> 0.999

Title of surgeon

0.889

 Consultant

35 (83.3)

36 (85.7)

35 (83.3)

33 (78.6)

 Associate Consultant

7 (16.7)

6 (14.3)

7 (16.7)

9 (21.4)

Blood loss, ml

50 [20,50]

50 [30,100]

50 [20,50]

25 [20,50]

0.120

Duration of anesthesia, min

185 [170,220]

197 [170,215]

187 [160,220]

180 [162,205]

0.433

Title of anesthesiologist

< 0.001*

 Consultant

6 (14.3)

18 (42.9)

6 (14.3)

0 (0)

 Associate Consultant

14 (33.3)

13 (31.0)

22 (52.4)

40 (95.2)

 Registrar

22 (52.4)

11 (26.2)

14 (33.3)

2 (4.8)

Maintenance of general anesthesia

< 0.001*

 Total intravenous anesthesia

36 (85.7)

29 (69.0)

25 (59.5)

8 (19.0)

 Balanced anesthesia

6 (14.3)

13 (31.0)

17 (40.5)

34 (81.0)

 MAC of inhalation

0.5 [0.4,0.5]

0.5 [0.5,0.5]

0.5 [0.5,0.5]

0.5 [0.5,0.6]

0.460

Intraoprative medication administration

 Propofol, mg

790 [600,900]

560 [370,750]

550 [350,720]

370 [260,550]

< 0.001*

 Rocuronium, mg

70 [60,80]

65 [60,75]

70 [50,75]

65 [50,70]

0.483

 Midazolam

28(66.7)

21(50.0)

22(52.4)

21(50.0)

0.382

 Midazolam, mg

1 [0,1.5]

0.5 [0,2.0]

1.0 [0,1.0]

0.5 [0,1.0]

0.522

 Dexamethasone

22(52.4)

23(54.8)

25(59.5)

25(59.5)

0.910

 Dexamethasone, mg

5[0,10]

5[0,10]

5[0,10]

5[0,10]

0.906

 Flubiprofen

27(64.3)

9(21.4)

24(42.9)

12(28.6)

< 0.001*

 Flubiprofen, mg

50 [0,100]

0 [0,0]

0 [0,50]

0 [0,50]

< 0.001*

 Regional block anesthetics

 Volume of regional anesthetics, ml

/

9 [7,13]

20 [20,20]

33 [30,40]

< 0.001*

 Ropivacaine

/

17 (40.5)

42 (100)

42 (100)

< 0.001*

 Ropivacaine concentration, %

/

0.43 [0.3,0.5]

0.5 [0.5,0.5]

0.32 [0.25,0.33]

< 0.001*

 Lidocaine

/

25 (59.5)

0 (0)

0 (0)

 Lidocaine concentration, %

/

2 [2,2]

/

/