Laboratory tests Reference value No. (%) Total (n = 21) Survival (n = 17) Non-survival(n = 4) p IL-6 (pg/ml) 0.1–2.9 15 (8–79, 19) 12 (4–18, 15) 195 (127–280, 4) <0.001 CRP (mg/L) <4 20 (7–45, 21) 15 (7–36, 17) 78 (28–134, 4) 0.042 CD3+ (cells/μl) 805 to 4459 562 (203–939, 19) 680 (303–945, 15) 232 (129–340, 4) 0.062 CD4+ (cells/μl) 345 to 2350 297 (135–557, 19) 416 (172–557, 15) 168 (108–250, 4) 0.121 CD8+ (cells/μl) 345 to 2350 166 (50–336, 19) 273 (122–377, 15) 33 (23–135, 4) 0.016 CD4+/CD8+ ratio 0.96–2.05 1.7 (1.2–3.1, 19) 1.6 (1.3–2.4, 15) 5.0 (2.0–6.2, 4) 0.079 CD19+ (cells/μl) 240 to 1317 104 (49–174, 19) 104 (49–236, 15) 84 (34–134, 4) 0.650 CD16+/CD56+ (cells/μl) 210 to 1514 164 (49–252, 19) 168 (106–252, 15) 33 (10–223, 4) 0.124