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. 2020 Apr 8;80(6):646–655. doi: 10.1016/j.jinf.2020.03.035

Table 2.

The 1st test of SAA, CRP, PCT, WBC, L, PLT, and clinical classification.

Clinical classification SAA (mg/L)
 CRP (mg/L)
n x¯ ± s <10 (n) 10–200 (n) >200 (n) n x¯ ± s <3 (n) 3–100 (n) >100 (n)
Moderate 60 123.57 ± 75.81 7 33 20 60 33.22 ± 32.21 6 49 5
Severe 56 171.91 ± 56.89 2 11 43 56 66.04 ± 44.89 2 39 15
Critically Severe 16 181.00 ± 40.66 0 4 12 16 97.44 ± 58.60 0 7 9
Total 132 151.04 ± 69.12 9 48 75 132 54.93 ± 46.86 8 95 29
H/p H = 22.80 p = 0.000 H = 26.19 p = 0.000
χ2/p χ2 = 25.32 p = 0.000 χ2 = 19.90 p = 0.001
Clinical classification WBC (109/L)
 L (109/L)
n x¯ ± s <3.5 (n) 3.5–9.5 (n) >9.5 (n) n x¯ ± s <1.1 (n) 1.1–3.2 (n) >3.2 (n)
Moderate 60 4.93 ± 1.91 14 44 2 60 1.04 ± 0.44 37 23 0
Severe 56 5.81 ± 2.78 14 33 9 56 0.86 ± 0.54 44 11 1
Critically severe 16 8.34 ± 4.74 3 7 6 16 0.53 ± 0.29 15 1 0
Total 132 5.72 ± 2.93 31 84 17 132 0.90 ± 0.50 96 35 1
H/p H = 8.122 p = 0.017 H = 22.51 p = 0.000
χ2/p χ2 = 14.50 p = 0.006 χ2 = 10.24 p = 0.037
Clinical classification PLT (ug/L)
 PLT (109/L)
n x¯ ± s ≤0.05 (n) 0.05–0.12 (n) >0.12 (n) n x¯ ± s <125 (n) 125–350 (n) >350 (n)
Moderate 60 0.08 ± 0.279 55 2 3 60 214.05 ± 91.34 7 46 7
Severe 56 0.14 ± 0.353 48 3 5 56 199.04 ± 73.11 8 46 2
Critically severe 16 0.44 ± 0.512 9 4 3 16 202.50 ± 85.19 4 12 0
Total 132 0.15 ± 0.360 112 9 11 132 206.28 ± 82.98 19 104 9
H/p H = 8.073 p = 0.018 H = 0.513 p = 0.774
χ2/p χ2 = 13.79 p = 0.008 χ2 = 5.73 p = 0.220

Normal reference values: SAA (<10 mg/L); CRP (<3 mg/L); WBC (3.5–9.5 × 109/L); L (1.1–3.2 × 109/L); PCT (<0.05 ug /L); PLT (125–350 × 109/L).