Annals of Intensive Care

Table 2 Microparticles in non-BSI group and BSI group

From: Early warning of bloodstream infection in elderly patients with circulating microparticles

MPs, events/μL, median (IQR)	Group		P
MPs, events/μL, median (IQR)	Non-BSI (n = 86)	BSI (n = 54)	P
Within 6 h
T-MPs₁	5487 [3880, 6815]	7386 [6182, 8861]	< 0.0001^#
LMPs₁	447 [308, 696]	644 [450, 867]	0.004^#
NMPs₁	378 [247, 744]	773 [568, 1048]	< 0.0001^#
MMPs₁	474 [286, 953]	628 [451, 760]	0.118^#
EMPs₁	648 [386, 1271]	553 [323, 863]	0.306^#
Day 2
T-MPs₂	3058 [2580, 4108]	3681 [2509, 4397]	< 0.0001^#
LMPs₂	212 [152, 337]	287 [202, 415]	0.019^#
NMPs₂	167 [110, 280]	352 [230, 519]	< 0.0001^#
MMPs₂	382 [214, 576]	326 [205, 499]	0.334^#
EMPs₂	410 [288, 621]	432 [280, 637]	0.868^#
Day 14
T-MPs₃	1151 [612, 1603]	1124 [735, 2656]	0.301^#
LMPs₃	66 [26, 115]	78 [46, 230]	0.082^#
NMPs₃	43 [22, 81]	75 [34, 257]	0.016^#
MMPs₃	48 [31, 89]	63 [34, 250]	0.096^#
EMPs₃	56 [38, 94]	62 [47, 116]	0.167^#

BSI bloodstream infection, Non-BSI non-bloodstream infection, MPs microparticles, T-MPs total microparticles, LMPs leukocyte-derived microparticles, NMPs neutrophil-derived microparticles, MMPs monocyte-derived microparticles, EMPs endotheliocyte-derived microparticles
₁: within 6 h; ₂: day 2; ₃: day 14
^#Mann–Whitney U test

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