Table 1.

Infection as a trigger of VTE in previous studies

Citation	Study Design	Infection Studied	Measure of Association, (95% CI)*
Masrouha et al, 201614	Prospective Cohort	Preoperative Pneumonia	DVT – OR = 1.67 (1.32, 2.11) PE – OR = 2.18 (1.48, 3.22)
Chen et al, 201515	Retrospective Cohort	Pneumonia	DVT – HR = 1.78 (1.39, 2.28) PE – HR = 1.97 (1.43, 2.72)
Dalager-Pedersen et al, 201416	Prospective Cohort	Community Acquired Bacteremia	OR = 1.9 (1.4, 2.7)
Paran et al, 20136	Prospective Cohort	Cytomegalovirus	OR = 2.49 (1.53, 4.06)
Rogers et al, 20124	Case-Crossover	All infections	IRR = 2.9 (2.13, 3.94)
Schmidt et al, 201217	Case-Control	Systemic respiratory tract infections, urinary tract infections, skin infections, intra-abdominal infections, and septicemia	IRR = 3.3 (2.9, 3.8)
Ribeiro et al, 201218	Case-Control	Pneumonia	OR = 5.0 (3.9–6.3)
Clayton et al, 201119	Case-Control	Respiratory Infections	DVT – OR = 2.64 (1.62, 4.29) PE – OR = 2.50 (1.33, 4.72)
Cimminiello et al, 201020	Case-Control	All Infections	OR = 1.86 (1.16, 2.97)
Tichelaar et al, 201021	Case-Control	All Infections	OR = 2.5 (1.4, 4.8)
Gangireddy et al, 200722	Retrospective Cohort	Pneumonia	OR = 2.7 (2.10, 3.50)
		Urinary Tract Infections	OR = 1.8 (1.3, 2.50)
Smeeth et al, 200623	Case-Crossover	Urinary Tract Infections	IR = 2.10 (1.56, 2.82)
		Systemic Respiratory Tract Infections	IR = 1.91 (1.49, 2.44)

^*HR – Hazard Ratio, OR – Odds Ratio, IRR – Incidence Rate Ratio, IR – Cumulative Incidence Ratio