Retrospective Cohort Study
Copyright ©The Author(s) 2024.
World J Gastrointest Surg. Aug 27, 2024; 16(8): 2461-2473
Published online Aug 27, 2024. doi: 10.4240/wjgs.v16.i8.2461
Table 1 Baseline demographic characteristics of the population, cohort N = 172, n (%)
Variables
J + (n = 60)
J - (n = 112)
P value
Age (years, mean ± SD)69.4 ± 12.670.2 ± 11.20.65
Male43 (71.7)57 (50.9)0.01a
H. pylori infection11 (18.3)13 (11.6)0.25
Smoking6 (10.2)12 (10.8)1
Medical background40 (66.7)77 (69.4)0.73
Dementia5 (8.3)4 (3.6)0.28
Stroke6 (10)7 (6.2)0.38
AF7 (11.7)8 (7.2)0.4
CAD4 (6.7)7 (6.2)1
Heart failure6 (10)5 (4.5)0.2
LEAD4 (6.7)7 (6.2)1
Diabetes15 (25)28 (25)1
Other cancer12 (20)18 (16.1)0.53
Abdominal surgery18 (30)46 (41.1)0.19
AC/APA21 (35.6)26 (23.9)0.11
Corticoids/IT1 (1.7)2 (1.8)1
WHO score
        018 (38.3)37 (38.9)0.58
        120 (42.6)43 (45.3)
        25 (10.5)12 (12.6)
        34 (8.5)3 (3.2)
Table 2 Preoperative nutritional characteristics, cohort N = 172, n (%)
Variables
J + (n = 60)
J - (n = 112)
P value
Weight (kg, mean ± SD)64 ± 12.966.7 ± 14.30.23
BMI (kg/m2, mean ± SD)22.7 ± 4.624.2 ± 4.80.09
Weight loss (kg, mean ± SD)12.2 ± 6.410.1 ± 4.30.15
Proportion weight loss (%, mean ± SD)15.9 ± 8.513.9 ± 5.50.21
Duration of weight loss (months, mean ± SD)3.9 ± 5.24.7 ± 4.30.52
Preoperatory albuminemia (g/L, mean ± SD)32.3 ± 6.932.6 ± 8.60.87
Preoperatory prealbuminemia (g/L, mean ± SD)0.19 ± 0.060.17 ± 0.050.3
PNI (mean ± SD)41.2 ± 8.839.8 ± 120.74
PNI < 4618 (54.5)13 (81.2)0.22
Undernutrition21 (36.2)34 (35.7)1
Severe undernutrition16 (28.1)17 (17.9)0.55
Table 3 Tumour characteristics, cohort N = 172, n (%)
Variables
J + (n = 60)
J - (n = 112)
P value
Adenocarcinoma47 (79.7)87 (78.4)1
Grade of differentiation
        Good5 (10.9)7 (9)0.76
        Moderate18 (39.1)38 (48.7)0.35
        Poor20 (43.5)31 (39.7)0.71
Contingent of independent cells23 (38.3)33 (30.3)0.31
GIST9 (15.5)22 (20.2)0.53
        Low risk1 (11.1)8 (40)0.2
        Medium risk1 (11.1)3 (15)1
        High risk7 (77.8)9 (45)0.13
Tumour ≤ 3 cm10 (16.7)20 (18.9)0.84
        T
        00 (0)3 (2.7)0.036a
        15 (8.3)12 (10.7)
        26 (10)21 (18.8)
        323 (38.8)39 (34.8)
        419 (31.7)15 (13.4)
        N018 (32.1)31 (34.4)0.86
        M050 (90.9)79 (84.9)0.45
Clear margins45 (75)92 (84.4)0.15
Vascular invasion25 (43.1)48 (44)1
Perineural invasion27 (46.6)39 (36.1)0.24
Table 4 Postoperative complications, cohort N = 172, n (%)

J + (n = 60)
J - (n = 112)
P value
Global complications15 (25)41 (36.6)0.12
Thromboembolic2 (1.2)4 (2.3)1
Respiratory (other than aspiration pneumonia and thromboembolic)0 (0)6 (5.4)0.09
Aspiration pneumonia2 (3.3)0 (0)0.12
Haemorrhagic1 (1.7)6 (5.4)0.42
Infectious2 (1.2)16 (9.3)0.03a
Deep collection2 (1.2)3 (1.7)1
Ileus4 (2.3)10 (5.8)0.77
Occlusion0 (0)3 (1.7)0.55
Fistula2 (3.3)6 (5.4)0.71
Others3 (1.7)9 (5.2)0.54
Renutrition syndrome1 (0.6)0 (0)0.34
Probe obstruction1 (0.6)0 (0)0.34
Abscess around the probe1 (0.6)0 (0)0.34
Table 5 Length of stay, cohort N = 172, n (%)
Variables
J + (n = 60)
J - (n = 112)
P value
Total hospitalization (days, mean ± SD)20.49 ± 9.3216.45 ± 9.470.01a
Conventional17.75 ± 8.5014.06 ± 7.710.01a
Postoperative18.13 ± 8.3217.96 ± 12.520.71
PICU1.65 ± 1.551.87 ± 3.610.68
ICU0.84 ± 3.450.1 ± 0.710.11
CCU0.07 ± 0.370.02 ± 0.190.33
Table 6 Postoperative nutritional characteristics
Variables
J +
J -
P value
Weight (kg, mean ± SD)58.86 ± 11.856 ± 9.80.34
Weight loss (kg, mean ± SD)5.74 ± 8.49.86 ± 7.50.07
Proportion weight loss (%, mean ± SD)10.25 ± 814.19 ± 9.50.12
Albuminemia (g/L, mean ± SD)31.4 ± 5.532.3 ± 10.90.8
Loss of albuminemia (g/L, mean ± SD)7.2 ± 5.614.7 ± 12.70.15
Proportion albuminemia loss (%, mean ± SD)20 ± 15.640 ± 33.10.16
Table 7 Subset analysis in partial gastrectomies, cohort N = 89, n (%)

J + (n = 12)
J - (n = 77)
P value
Global complications4 (33.3)30 (38.9)0.96
Thromboembolic0 (0)2 (2.6)1
Respiratory (other than aspiration pneumonia and thromboembolic)0 (0)6 (7.8)0.7
Aspiration pneumonia1 (8.3)0 (0)0.28
Haemorrhagic0 (0)3 (3.9)1
Infectious0 (0)10 (12.9)0.4
Deep collection0 (0)2 (2.6)1
Ileus1 (8.3)8 (10.4)1
Occlusion0 (0)2 (2.6)1
Fistula1 (6.5)5 (8.3)1
Others1 (8.3)7 (9.1)1
Renutrition syndrome0 (0)0 (0)1
Probe obstruction0 (0)0 (0)1
Abscess around the probe1 (8.3)0 (0)0.28
Table 8 Subset analysis in total gastrectomies, cohort N = 74, n (%)

J + (n = 48)
J - (n = 26)
P value
Global complications11 (22.9)7 (26.9)0.92
Thromboembolic2 (4.2)1 (3.8)1
Respiratory (other than aspiration pneumonia and thromboembolic)0 (0)0 (0)1
Aspiration pneumonia1 (2.1)0 (0)1
Haemorrhagic1 (2.1)1 (3.8)1
Infectious2 (4.2)4 (15.4)0.21
Deep collection2 (4.2)1 (3.8)1
Ileus3 (6.3)1 (3.8)1
Occlusion0 (0)0 (0)1
Fistula1 (2.1)1 (3.8)1
Others2 (4.2)2 (7.7)0.92
Renutrition syndrome1 (2.1)0 (0)1
Probe obstruction1 (2.1)0 (0)1
Abscess around the probe0 (0)0 (0)1
Table 9 Multivariable analysis
Type of cohortVariables
Age
Sex (M)
Dementia
H. pylori infection
Sroke
Heart failure
Atrial fibrillation
Severe undernutrition
Estimates
OR
95%CI
P value
OR
95%CI
P value
OR
95%CI
P value
OR
95%CI
P value
OR
95%CI
P value
OR
95%CI
P value
OR
95%CI
P value
OR
95%CI
P value
Entire cohortGlobal complications10.97-1.030.510.790.41-1.550.496.421.19-52.40.04a1.740.67-4.450.250.260.03-1.260.140.660.12-2.880.610.60.13-2.160.471.280.61-2.640.52
Thromboembolic0.950.88-1.020.181.370.24-10.540.73---0.780.03-6.630.85---8.360.33-110.90.12---0.510.03-3.540.56
Respiratory1.050.96-1.160.330.360.04-2.10.2770.21-1130.194.150.42-32.30.17---1.470.05-16.940.781.940.09-16.880.590.20-2.050.27
Aspiration pneumonia1.170.93-1.770.282.130.05-6030.712.790.12-8630.212.340.01-1020.66---12.10.11-7600.21---0.310-17.50.61
Haemorrhagic0.990.93-1.060.80.510.1-2.410.39---1.340.07-90.8---------1.110.15-5.50.91
Infectious0.990.95-1.040.690.530.19-1.480.239.751.03-88.80.04a0.660.09-2.90.63---0.660.03-4.970.731.720.23-8.360.540.640.16-2.030.48
Deep collection10.92-1.090.920.130-1.030.09---------13.840.4-4880.11---3.210.44-26.990.24
Ileus1.030.98-1.090.221.050.33-3.470.94---1.360.19-5.940.71---0.870.04-6.010.911.680.22-8.160.562.060.62-6.480.22
Occlusion0.980.87-1.10.220.40.02-4.840.94---2.770.1-40.50.719.620.33-215.50.99---------
Fistula1.010.95-1.080.810.210.03-10.070.920.02-14.570.961.530.14-9.890.682.10.07-23.70.592.380.09-27.20.52---2.520.49-12.90.25
Others1.010.95-1.070.791.360.39-5.420.642.530.22-20.30.412.110.39-8.610.331.60.16-10.130.65------1.030.23-3.820.97
Partial gastrectomiesGlobal complications1.020.98-1.070.340.80.29-2.170.66---4.410.93-25.30.070.530.03-4.150.591.110.13-7.90.920.610.08-3.30.590.860.29-2.40.77
Thromboembolic0.980.82-1.220.830.570.01-20.30.74---------39.90.88-5400.06---0.980.02-32.70.99
Respiratory1.030.93-1.150.630.380.04-2.80.374.270.12-72.30.337.560.61-96.30.09---2.390.07-46.70.573.920.16-49.80.310.090-1.180.14
Aspiration pneumonia------------------------
Haemorrhagic1.010.91-1.140.862.030.17-47.10.58---------------2.030.17-47.10.99
Infectious1.10.98-1.170.170.80.17-3.570.7711.30.91-271.80.070.390.01-4.330.53---0.980.03-11.30.991.430.06-12.10.770.560.08-2.880.515
Deep collection------------------------
Ileus1.030.97-1.120.341.360.3-6.530.69---1.10.05-8.210.94---1.330.06-11.70.821.110.05-9.60.932.270.51-10.40.27
Occlusion0.980.82-1.220.850.490.01-16.380.67------17.80.52-9290.09---------
Fistula1.020.94-1.160.630.070-0.740.070.290-12.110.566.960.39-137.90.1716.350.42-7020.12.070.04-45.90.66---4.510.53-54.470.18
Others1.010.93-1.10.81.720.29-13.950.572.810.16-31.480.436.410.85-43.910.053.530.28-31.380.27------0.670.07-40.68
Total gastrectomiesGlobal complications0.980.93-1.030.380.730.22-2.520.61---0.730.1-3.620.72------1.010.05-8.950.992.30.62-8.40.2
Thromboembolic0.930.82-1.020.152.50.16-85.160.54---2.980.11-49.10.44------------
Respiratory------------------------
Aspiration pneumonia1.110.91-1.630.46---------------------
Haemorrhagic10.89-1.160.950.420.01-11.990.57---------------3.170.12-86.870.43
Infectious0.930.84-1.000.080.280.03-1.770.19---0.840.03-8.170.89------10.750.33-3090.140.850.04-8.440.9
Deep collection10.9-1.120.960.180.01-2.40.21---------------7.530.61-184.880.13
Ileus1.040.94-1.190.471.850.19-46.880.63------------4.920.17-87.660.271.680.07-20.50.69
Occlusion------------------------
Fistula0.930.82-1.040.240.640.02-20.360.78------------------
Others1.020.94-1.130.620.380.04-3.540.37---------------1.040.05-9.630.97