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Table 2 Microorganisms responsible for the sepsis and blood culture results

From: Characteristics, treatments, and outcomes of severe sepsis of 3195 ICU-treated adult patients throughout Japan during 2011–2013

  Without shock With shock Total
n = 2111 n = 1084 n = 3195
Microorganisms responsible for the sepsis
 Gram-negative rod 774 (35%) 421 (39%) 1165 (37%)
 Gram-positive coccus 477 (23%) 261 (24%) 738 (23%)
 Fungus 43 (2%) 14 (1%) 57 (2%)
 Virus 20 (1%) 8 (1%) 28 (1%)
 Mixed infection 254 (12%) 146 (14%) 400 (13%)
 Other 40 (2%) 18 (2%) 58 (2%)
 Unknown 533 (25%) 216 (20%) 749 (23%)
Blood culture
 Positive 866 (41%) 540 (50%) 1406 (44%)
 Negative 1,083 (51%) 508 (47%) 1591 (50%)
 Not taken 162 (8%) 36 (3%) 198 (6%)
  1. Data are expressed as number (percent)