Risk factors for adverse in-hospital outcomes in acute colonic diverticular hemorrhage

Table 4 Risk factors for transfusion need during hospital stay (n = 153)

	None/Transfusion in hospital (n = 119/34)	Crude OR(95%CI)	P value	Adjusted OR1(95%CI)	P value
Age > 70 yr	53 (47)/29 (73)	3.0 (1.4-6.6)	< 0.01
Female	32 (28)/19 (48)	2.3 (1.1-4.8)	0.03	2.5 (1.1-5.6)	0.02
Current smoker	27 (24)/14 (35)	1.7 (0.79-3.7)	0.18
Current drinker	76 (67)/32 (80)	1.9 (0.82-4.6)	0.13
NSAIDs	29 (26)/12 (30)	1.2 (0.56-2.8)	0.6
Low-dose aspirin	23 (20)/15 (38)	2.3 (1.1-5.2)	0.03
Non-aspirin antiplatelets	18 (16)/11 (28)	2.0 (0.85-4.7)	0.11
Warfarin	3 (2.7)/7 (18)	7.8 (1.9-32)	< 0.01	9.3 (2.2-40)	< 0.01
Acetaminophen	2 (1.8)/0	1.2 (0-15)2	1.0
Corticosteroids	3 (2.7)/2 (5.0)	1.9 (0.31-12)	0.48
Hypertension	68 (60)/30 (75)	2.0 (0.88-4.5)	0.10
Diabetes mellitus	24 (21)/7 (18)	0.79 (0.31-2.0)	0.61
Dyslipidemia	23 (20)/9 (23)	1.1 (0.47-2.7)	0.77
Cerebro-cardiovascular disease	24 (21)/16 (40)	2.5 (1.1-5.4)	0.02
Chronic liver disease	5 (4.4)/1 (2.5)	0.55 (0.06-4.9)	0.6
Chronic kidney disease	5 (4.4)/8 (20)	5.4 (1.7-18)	< 0.01	5.9 (1.7-20)	< 0.01

¹Multiple logistic regression analysis, using the backward elimination method, of factors found to be significant (P < 0.05) on univariate analysis;

²Analysis by exact logistic regression. NSAIDs: Non-steroidal anti-inflammatory drugs.