Table 1 Data for Patients Overall and Matched Patients after Propensity Scoring

Age, yr

58.0 [49.0;67.0]

57.0 [48.0;67.0]

0.098

0.018

58.0 [49.0;67.0]

57.0 [48.0;67.0]

0.003

0.861

Sex

0.233

< 0.001

0.019

0.753

 Female

404 (44.7%)

734 (56.3%)

337 (46.2%)

344 (47.2%)

 Male

499 (55.3%)

570 (43.7%)

392 (53.8%)

385 (52.8%)

Height, cm

161.0 [154.0;166.0]

159.0 [154.0;165.0]

0.118

0.007

161.0 [154.0;166.0]

161.0 [155.0;166.0]

0.015

0.610

Weight, kg

60.0 [54.0;67.0]

60.0 [54.0;67.0]

0.002

0.368

60.0 [54.0;67.0]

60.0 [53.0;67.0]

0.023

0.527

BMI, kg m⁻²

23.6 [21.8;25.8]

23.8 [21.8;26.1]

0.062

0.210

23.6 [21.7;25.8]

23.5 [21.5;25.8]

0.039

0.577

ASA class

0.098

0.067

0.053

0.605

 I

399 (44.2%)

633 (48.5%)

311 (42.7%)

310 (42.5%)

 II

503 (55.7%)

671 (51.5%)

417 (57.2%)

419 (57.5%)

 III

1 (0.1%)

0 (0.0%)

1 (0.1%)

0 (0.0%)

Hypertension

0.008

0.894

< 0.001

1.000

 Yes

233 (25.8%)

341 (26.2%)

188 (25.8%)

188 (25.8%)

 No

670 (74.2%)

963 (73.8%)

541 (74.2%)

541 (74.2%)

DM

0.057

0.204

0.032

0.593

 Yes

121 (13.4%)

150 (11.5%)

95 (13.0%)

103 (14.1%)

 No

782 (86.6%)

1154 (88.5%)

634 (87.0%)

626 (85.9%)

Anesthesia time, min

230.0 [185.0;285.0]

210.0 [170.0;260.0]

0.166

< 0.001

215.0 [180.0;260.0]

220.0 [180.0;265.0]

0.017

0.696

Operation time, min

190.0 [150.0;240.0]

175.0 [135.0;220.0]

0.146

< 0.001

180.0 [149.0;220.0]

180.0 [149.0;225.0]

0.012

0.787

Remifentanil infusion

< 0.001

< 0.001

 Yes

902 (99.9%)

701 (53.8%)

728 (99.9%)

395 (54.2%)

 No

1 (0.1%)

603 (46.2%)

1 (0.1%)

334 (45.8%)

Gas type

< 0.001

< 0.001

 Des

0 (0.0%)

345 (26.5%)

0 (0.0%)

193 (26.5%)

 Iso

0 (0.0%)

31 (2.4%)

0 (0.0%)

25 (3.5%)

 Sevo

0 (0.0%)

927 (71.1%)

0 (0.0%)

511 (70%)

Nitrous oxide

< 0.001

< 0.001

 Yes

1 (0.1%)

550 (42.2%)

1 (0.1%)

302 (41.4%)

 No

902 (99.9%)

754 (57.8%)

728 (99.9%)

427 (58.6%)

Metastasis at surgery

0.006

0.947

0.014

0.855

 Yes

68 (7.5%)

96 (7.4%)

64 (8.8%)

67 (9.2%)

 No

835 (92.5%)

1208 (92.6%)

665 (91.2%)

662 (90.8%)

Transfusion

0.056

0.252

0.038

0.626

 Yes

19 (2.1%)

39 (3.0%)

10 (1.4%)

7 (1.0%)

 No

884 (97.9%)

1265 (97.0%)

719 (98.6%)

722 (99.0%)

Hospital stay, day

13.0 [11.0;18.0]

13.0 [10.0;18.0]

0.014

0.238

13.0 [11.0;18.0]

13.0 [10.0;18.0]

0.023

0.355

Survival, month

60.0 [44.0;60.0]

60.0 [45.0;60.0]

0.945

60.0 [40.0;60.0]

60.0 [47.0;60.0]

0.523

5 years survival

0.291

0.262

 Yes

829 (91.8%)

1214 (93.1%)

660 (90.5%)

673 (92.3%)

 No

74 (8.2%)

90 (6.9%)

69 (9.5%)

56 (7.7%)

Cancer type

< 0.001

1.000

 Breast

154 (17.1%)

475 (36.4%)

154 (21.1%)

154 (21.1%)

 Colon

362 (40.1%)

188 (14.4%)

188 (25.8%)

188 (25.8%)

 Liver

37 (4.1%)

90 (6.9%)

37 (5.1%)

37 (5.1%)

 Lung

44 (4.9%)

103 (7.9%)

44 (6.0%)

44 (6.0%)

 Stomach

306 (33.9%)

448 (34.4%)

306 (42.0%)

306 (42.0%)