Skip to main content

Table 2 Comparison of clinical and laboratory characteristics collected at the time of admission between culture negative and culture positive patients

From: Comparing mortality between positive and negative blood culture results: an inverse probability of treatment weighting analysis of a multicenter cohort

  Culture negative (n = 1189) Culture positive (n = 216) P value
Vital signs
 Systolic blood pressure (mmHg) 122 (108,138) 124 (108,143) 0.397
 Shock (< 90 mmHg) 215 (18.1%) 55 (25.5%) 0.011*
 Pulse rate 100 (85,113) 102 (86,115) 0.165
 Tachycardia (PR > 90/ min) 777 (65.3%) 145 (67.1%) 0.612
 Body temperature 37.2 (36.6, 38.3) 37.5 (36.7, 38.7) 0.024*
 Fever > 38 °C 405 (34.1%) 91 (42.1%) 0.022*
 Hypothermia < 36 °C 22 (1.9%) 9 (4.2%) 0.033*
Laboratory markers
 WBC count (1000/mm3) 9630 (6092,12,865) 10,760 (716,16,530) 0.003*
 Leukocytosis (WBC > 12,000/mm3) 388 (32.6%) 94 (43.5%) 0.02*
 Leukopenia (WBC < 4000/mm3) 124 (10.4%) 16 (7.4%) 0.173
 Platelet count (1000/mm3) 178 (107–256) 153 (102–223) 0.02*
 Thrombocytopenia (< 150,000/mm3) 479 (40.3%) 105 (48.6%) 0.022*
 Procalcitonin 0.74 (0.16, 5.07) 1.34 (0.30, 10.74) < 0.001*
 C-reactive protein 76.1 (28.5, 138.8) 72.1 (19.4, 162.8) 0.572
 Lactate 1.8 (1.20–3.07) 2.1 (1.5, 4.4) 0.003*
Organ dysfunction
 Altered consciousness 199 (16.17%) 48 (22.2%) 0.051*
 Acute respiratory failure 266 (22.4%) 58 (26.9%) 0.150
 Acute kidney injury 172 (14.5%) 49 (22.7%) 0.002*
 Acute hepatic dysfunction 232 (19.5%) 57 (26.4%) 0.021*
 Acute hematologic dysfunction 479 (40.3%) 105 (48.6%) 0.022*
 Acute cardiovascular dysfunction 215 (18.1%) 55 (25.5%) 0.011*
Severity score
 quick SOFA criteria > = 2 191 (16.1%) 43 (19.9%) 0.163
 MEDS score 6 (3,9) 8 (5,11) <  0.001
Length of stay
 Hospital 13 (7, 21) 15 (8, 26) 0.003
Mortality
 90-day mortality 153 (12.9%) 46 (21.3%) 0.001
 Early (30-day) mortality 98 (8.2%) 19 (8.8%) 0.786
 Late (30–90 day) mortality 55 (4.6%) 27 (12.5%) < 0.001
  1. *p < 0.05
\