Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Clin Cases. Jul 6, 2023; 11(19): 4513-4530
Published online Jul 6, 2023. doi: 10.12998/wjcc.v11.i19.4513
Table 1 Descriptive analysis of demographical data, clinical findings, type of intervention and outcome by type of bleeding, n (%)
Parameters
All cases, n = 363 (%)
Variceal bleeding, n = 127 (34%)
Non-variceal bleeding, n = 236 (65%)
P value
Demographical data
Age, yr; median/interval60.90; 61/19-9357.24; 57.50/19-8862.87; 63/21-930.001
> 60 yr201 (55.4)56 (44.1)145 (61.4)0.002
Male240 (66.1)85 (66.9)155 (65.7)0.810
Comorbidities
Heart failure75 (20.7)9 (7.1)66 (28.0)0.001
Atrial fibrillation52 (14.3)8 (6.3)44 (18.6)0.001
Arterial hypertension119 (32.8)22 (17.3)97 (41.1)0.001
Coronary artery disease61 (16.8)4 (3.1)57 (24.2)0.001
Diabetes mellitus49 (13.5)18 (14.2)31 (13.1)0.783
COPD9 (2.5)1 (0.8)8 (3.4)0.096
Asthma3 (0.8)0 (0.0)3 (1.3)0.107
Kidney disease30 (8.3)2 (1.6)28 (11.9)0.001
Liver cirrhosis139 (38.3)99 (78.0)40 (16.9)0.001
Active malignancy25 (6.9)12 (9.4)13 (5.5)0.166
Hepatocarcinoma9 (2.5)8 (6.2)1 (0.5)
Cerebral vascular disease24 (6.6)2 (1.6)22 (9.3)0.002
Symptoms
Haematemesis279 (76.9)115 (90.6)164 (69.5)0.001
Melena267 (73.6)89 (70.1)178 (75.4)0.274
Abdominal pain60 (16.5)19 (15.0)41 (17.4)0.553
Syncope12 (3.3)2 (1.6)10 (4.2)0.151
Presyncope8 (2.2)2 (1.6)6 (2.5)0.539
Other symptoms36 (9.9)12 (9.4)24 (10.2)0.826
Chronic treatment
Antiplatelets36 (9.9)0.002
Aspirin22 (6.1)1 (0.8)21 (8.9)
Clopidogrel7 (1.9)0 (0)7 (3.0)
DAPT (aspirin clopidogrel or aspirin ticagrelor)6 (1.7)1 (0.8)5 (2.1)
Ticagrelor1 (0.3)0 (0)1 (0.4)
No treatment327 (90.1)125 (98.4)202 (85.6)
Anticoagulation32 (8.9)0.003
DOAC22 (6.1)0 (0)22 (9.3)
VKA10 (2.8)3 (2.4)7 (3.0)
No treatment331 (91.2)124 (97.6)207 (87.7)
Source of GI bleeding
Ulcerative and erosive lesions25 (6.9)0 (0)25 (10.6)0.001
Severe/erosive esophagitis27 (7.4)0 (0)27 (11.4)
Severe/erosive gastritis/duodenitis151 (41.6)0 (0)151 (64)
Vascular lesions (angiodysplasia)6 (1.7)0 (0)6 (2.5)
Mass lesions12 (3.3)0 (0)12 (5)
Traumatic lesions (Mallory Weiss tear)9 (2.4)0 (0)9 (3.8)
Lesion unidentified/Dieulafoy6 (1.6)0 (0)6 (2.7)
Oesophageal varices115 (31.7)115 (90.5)0 (0)0.003
Gastric varices12 (3.3)12 (9.5)0 (0)
Intervention
Injection therapy (dilute epinephrine) with thermal coagulation29 (8.0)0 (0.0)28 (11.9)0.001
Mechanical endoscopic therapy59 (16.3)50 (39.4)9 (3.8)0.001
Haemostatic clip9 (2.5)0 (0)9 (3.8)
Variceal ligation48 (13.2)48 (37.7)0 (0)
Variceal sclerotherapy2 (0.6)2 (1.6)0 (0)
Failed endoscopic therapy17 (4.7)9 (7)8 (3.4)0.001
Surgical interventions9 (2.5)0 (0)9 (3.8)0.026
Transfusion
Transfusions112 (30.9)38 (29.9)74 (31.5)0.758
In-hospital mortality
Death34 (9.4)16 (12.6)18 (7.7)0.131
Table 2 Mean values of scores in variceal and non-variceal bleed
Scores
All cases, n = 363, mean
Variceal bleeding, n = 127, mean (SD)
Non-variceal bleeding, n = 236, mean (SD)
P value
AIMS-651.521.74 (0.95)1.40 (1.05)0.003
PERS3.303.76 (1.35)3.06 (1.70)0.001
ABC5.025.83 (2.42)4.59 (2.51)0.001
GBS12.3212.98 (2.90)11.97 (3.74)0.008
Table 3 Linear regression analysis of age older than 65 score against each determined outcome
ModelRR squareAdjusted R squareStd. error of the estimateChange statistics
R square change
F change
df1
df2
Sig. F change
10.261 (a)0.0680.0650.9940.068260.30513610.000
20.281 (b)0.0790.0740.9890.01140.32013600.038
30.286 (c)0.0820.0740.9890.00310.01013590.316
40.316 (d)0.1000.0900.9810.01870.29013580.007
Table 4 Linear regression analysis of pre-endoscopic Rockall score against each determined outcome
ModelRR squareAdjusted R squareStd. error of the estimateChange statistics
R square change
F change
df1
df2
Sig. F change
10.202 (a)0.0410.03810.5880.041150.41113610.000
20.243 (b)0.0590.05410.5750.01860.98713600.009
30.248 (c)0.0620.05410.5750.0020.94113590.333
40.260 (d)0.0680.05710.5720.00620.35913580.125
Table 5 Linear regression analysis of age, blood tests and comorbidities score against each determined outcome
ModelRR squareAdjusted R squareStd. error of the estimateChange statistics
R square change
F change
df1
df2
Sig. F change
10.294 (a)0.0870.08420.4350.087340.20613610.000
20.324 (b)0.1050.10020.4130.01970.54313600.006
30.329 (c)0.1080.10120.4130.00310.24113590.266
40.334 (d)0.1110.10120.4120.00310.18313580.277
Table 6 Linear regression analysis of Glasgow-Blatchford score against each determined outcome
ModelRR squareAdjusted R squareStd. error of the estimateChange statistics
R square change
F change
df1
df2
Sig. F change
10.198 (a)0.0390.03630.4340.039140.65913610.000
20.241 (b)0.0580.05330.4050.01970.25013600.007
30.256 (c)0.0650.05830.3960.00720.87313590.091
40.273 (d)0.0750.06430.3840.00930.53413580.061
Table 7 Analysis of area under the receiver operating characteristics curve, cut-off value, 95% confidence interval for in-hospital mortality
Test result variable
Area
Cut off
Std. error(a)
Asymptotic Sig.(b)
Asymptotic 95% confidence interval
Variceal bleed
AIMS-650.7721.00.0510.0010.673-0.871
PERS0.7053.50.0670.0080.573-0.837
ABC0.7445.50.0520.0020.642-0.845
GBS0.75210.50.0670.0010.621-0.883
Non-variceal bleed
AIMS-650.6931.50.0590.0060.577-0.810
PERS0.6803.50.0530.0110.576-0.785
ABC0.7755.50.0510.0010.675-0.874
GBS0.65712.50.0770.0270.505-0.808
Table 8 Analysis of area under the receiver operating characteristics curve, cut-off value, 95% confidence interval for in-patient mortality in mixed variceal and non-variceal bleeding population
Scores
Cut off
Sensitivity
Specificity
Area
Std. error
Asymptotic Sig.
Asymptotic 95% confidence interval
AIMS-651.5082.452.60.7300.0410.0010.650-0.809
PERS3.5082.449.20.6960.0420.0010.615-0.778
ABC5.5088.259.60.7700.0360.0010.700-0.840
GBS12.5076.547.70.7040.0520.0010.602-0.805
Table 9 Analysis of area under the receiver operating characteristics curve, cut-off value, 95% confidence interval for intervention
Test result variable
Area
Cut off
Std. error(a)
Asymptotic Sig.(b)
Asymptotic 95% confidence interval
Endoscopy-variceal bleed
AIMS-650.5380.0510.4700.437-0.638
PERS0.6043.50.0500.0460.506-0.703
ABC0.5530.0520.3130.452-0.654
GBS0.5380.0520.4680.437-0.639
Surgical intervention-non-variceal bleed
AIMS-650.6211.50.0810.2180.461-0.781
PERS0.6243.50.0880.2080.451-0.796
ABC0.6575.50.0790.1110.502-0.811
GBS0.72212.50.0920.0240.541-0.903
Table 10 Analysis of area under the receiver operating characteristics curve, cut-off value, 95% confidence interval for length of admission (over 7 d)
Test result variable
Area
Std. error(a)
Asymptotic Sig.(b)
Asymptotic 95% confidence interval
Variceal bleeding
AIMS650.5160.0530.7680.412-0.619
PERS0.4970.0540.9600.391-0.604
ABC0.4340.0530.2150.330-0.538
GBS0.4960.0530.9460.393-0.600
Non-variceal bleeding
AIMS650.5870.0370.0240.514-0.660
PERS0.5570.0380.1390.482-0.631
ABC0.5500.0390.1940.473-0.627
GBS0.5660.0380.0840.491-0.641
Table 11 Analysis of area under the receiver operating characteristics curve, cut-off value, 95% confidence interval of venous lactate in variceal and non-variceal bleed
Venous lactate
Cut off
Area
Std. error
Asymptotic Sig.
Asymptotic 95% confidence interval
Variceal bleed2.050.6430.0300.0010.585-0.701
Non variceal bleed2.450.3570.0300.0010.299-0.415
Table 12 Logistic regression model for age older than 65, pre-endoscopic Rockall score, age, blood tests and comorbidities, Glasgow-Blatchford score and lactate
Logistic regression models
Independent variable
Odds ratio (95% confidence interval)
P value
In-hospital mortality (Yes/No)
Adjusted model variceal bleedAIMS-651.434 (1.202-1.930)0.032
PERS1.028 (0.591-1.789)0.922
ABC0.799 (0.608-1.049)0.106
GBS0.915 (0.740-1.132)0.415
Venous lactate4.944 (2.207-11.008)0.001
Adjusted model, non-variceal bleedAIMS-650.716 (0.374-1.372)0.314
PERS0.965 (0.669-1.393)0.850
ABC0.824 (0.627-1.084)0.167
GBS1.159 (1.053-1.276)0.003
Venous lactate11.720 (3.437-39.968)0.001
Endoscopy (Yes/No)
Adjusted model variceal bleedAIMS-651.049 (0.688-1.599)0.823
PERS0.762 (0.544-1.067)0.113
ABC1.025 (0.850-1.236)0.794
GBS1.029 (0.905-1.171)0.659
Venous lactate2.222 (0.531-9.305)0.274
Adjusted model non variceal bleedAIMS-650.860 (0.533-1.388)0.537
PERS1.205 (0.904-1.604)0.203
ABC0.931 (0.743-1.166)0.533
GBS0.982 (0.891-1.083)0.721
Venous lactate5.550 (1.943-15.853)0.001
Surgical intervention (Yes/No)
Adjusted model non variceal bleedAIMS-650.928 (0.533-1.388)0.870
PERS0.870 (0.904-1.604)0.663
ABC1.255 (0.743-1.166)0.280
GBS1.214 (0.891-1.083)0.130
Venous lactate2.002 (1.002-2.047)0.001