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Table 1 Baseline characteristics of study participants (n = 75)

From: Quantitative capillary refill time predicts sepsis in patients with suspected infection in the emergency department: an observational study

Characteristics All patients (n = 75) Infection group (n = 27) Sepsis group (n = 48)) P value
Sex, no. (%)
 Mena 51 (68.0) 19 (70.3) 32 (66.7) 0.741
 Womena 24 (32.0) 8 (29.6) 16 (33.3)
 Age (years) 77 (63–84) 69 (57–78) 81 (65.5–84.5) 0.016
 SBP (mmHg) 130 (115–147) 132 (122–146) 129 (105–150) 0.540
 RR (breaths/min) 24 (19–30) 24 (20–26) 25 (18–30) 0.268
 HR (beats/min) 105 (91–120) 96 (84–108) 109.5 (96–128) 0.006
 GCS< 15, no.(%)a 37 (49.3) 3 (11.1) 34 (70.8) < 0.001
 BT (°C) 37.9 (36.8–38.9) 37.8 (36.7–38.4) 37.9 (37.1–39.2) 0.279
 SpO2 (%) 96 (93–98) 96 (94–98) 95 (91.5–97) 0.034
Site of infection, no. (%)
 Respiratorya 35 (46.7) 8 (29.6) 27 (56.2) 0.027
 Urinarya 14 (18.6) 5 (18.5) 9 (18.7) 0.980
 Abdominala 19 (25.3) 10 (37.0) 9 (18.7) 0.080
 Cutaneousa 5 (6.7) 4 (14.8) 1 (2.0) 0.034
 Neurologicala 1 (1.3) 0 0.0 1 (2.0) 0.450
 Bone and jointsa 1 (1.3) 0 0.0 1 (2.0) 0.450
 Othersa 0 0.0 0 0.0 0 0.0
Organ dysfunction (SOFA)
 Respiratory systema 40 (53.3) 5 (18.5) 35 (72.9) < 0.001
 Coagulation 18 (24.0) 0 0.0 18 (37.5) < 0.001
 Hepatic system 26 (34.6) 6 (22.2) 20 (41.6) 0.089
 Cardiovascular system 10 (13.3) 0 0.0 10 (20.8) 0.011
 Cental nervous system 37 (49.3) 3 (11.1) 34 (70.8) < 0.001
 Renal system 22 (29.3) 1 (3.7) 21 (43.7) < 0.001
Laboratory results
 WBC (/μL) 11,350 (8800–14,300) 12,510 (9620–17,500) 11,030 (8595–13,325) 0.294
 Creatinine (mg/dL) 0.92 (0.74–1.28) 0.81 (0.73–0.92) 0.99 (0.77–1.62) 0.006
 Bilirubin (mg/dL) 0.9 (0.6–1.4) 0.7 (0.5–1.1) 1.05 (0.6–1.75) 0.067
 Platelets (103/μL) 19.4 (13.5–23.4) 21.4 (18.4–25.5) 18.4 (10.8–22.2) 0.009
 Lactate (mmol/L) 1.8 (1.24–2.68) 1.4 (1.1–1.6) 1.99 (1.51–3.07) < 0.001
 Q-CRT (s) 3.143 (2.009–5.868) 2.207 (1.591–3.269) 3.923 (2.529–6.694) < 0.001
 Q-CRT > 3.5, no.(%)a 33 (44.0) 5 (18.5) 28 (58.3) 0.001
 SIRS  2, no.(%) 55 (73.3) 16 (59.2) 39 (81.2) 0.039
 qSOFA  2, no. (%) 32 (42.6) 0 0.0 32 (66.7) < 0.001
  1. Infection group infected patients without organ dysfunction. Sepsis group (including septic shock) infected patients with organ dysfunction. SBP systolic blood pressure, RR respiratory rate, HR heart rate, GCS Glasgow Coma Scale score, BT body temperature, SpO2 hemoglobin saturation, WBC white blood cell count, Q-CRT quantitative capillary refill time, SIRS systemic inflammatory response syndrome, qSOFA quick sequential organ failure assessment. aFrequency (%); other values: median (IQR)