Table 4Study characteristics for controlled studies (IVCF vs. control) for KQ 1

Author, YearStudy DesignArmSample Size (N)Mean Age, Years% MaleMean ISS Scores
Rajasekhar A, 201152RCTIVCF1841.272.226.6
Control1653.762.524.1
Rogers FB, 199753PCIVCF3558.4NR22.8
Control90538.9NR9.83
Gosin JS, 199756PCIVCF9942.671.723.4
Control249NRNRNR
Rogers FB, 199554Historical comparisonIVCF6338.973.031.5
Controls2525NRNRNR
Wilson JT, 199455Historical comparisonPGF1531.4NR30.0
Control11130.0NR29.0
Gorman PH, 200957RCIVCF5437.196.0NR
Control5848.169.0NR
Rodriguez JL, 199659PCIVCF4044.058.031 .0
Control8041.068.029.0
Khansarinia S, 199558Historical comparisonPGF10835.976.028.0
Control21638.375.525.4

IVCF = inferior vena cava filter; PGF = prophylactic Greenfield filter; RCT = randomized controlled trial; PC = prospective cohort; RC = retrospective cohort

From: Results

Cover of Pharmacologic and Mechanical Prophylaxis of Venous Thromboembolism Among Special Populations
Pharmacologic and Mechanical Prophylaxis of Venous Thromboembolism Among Special Populations [Internet].
Comparative Effectiveness Reviews, No. 116.
Singh S, Haut ER, Brotman DJ, et al.

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