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. 2020 Apr 10;77(6):1–9. doi: 10.1001/jamaneurol.2020.1127

Table 4. Laboratory Findings of Patients With COVID-19 With PNS Symptoms.

Laboratory finding Median (range)
Total Severe Nonsevere
With PNS symptoms (n = 19) Without PNS symptoms (n = 195) P value With PNS symptoms (n = 7) Without PNS symptoms (n = 81) P value With PNS symptoms (n = 12) Without PNS symptoms (n = 114) P value
Count, ×109/L
White blood cell 4.8 (2.8-7.5) 4.9 (0.1-20.4) .74 4.5 (3.1-6.8) 5.6 (0.1-20.4) .11 4.9 (2.8-7.5) 4.4 (1.8-14.0) .27
Neutrophil 2.8 (1.5-5.4) 3.0 (0.0-18.7) .74 2.6 (1.5-5.3) 4.1 (0.0-18.7) .10 2.9 (1.9-5.4) 2.5 (0.7-11.8) .21
Lymphocyte 1.2 (0.6-2.6) 1.1 (0.1-2.6) .43 1.2 (0.6-1.6) 0.9 (0.1-2.6) .26 1.2 (0.7-2.6) 1.3 (0.4-2.4) .92
Platelet 204.0 (111.0-305.0) 213.0 (18.0-583.0) .56 204.0 (111.0-245.0) 205.0 (18.0-576.0) .56 214.5 (155.0-305.0) 219.0 (42.0-583.0) .81
C-reactive protein, mg/L 12.0 (3.1-81.0) 12.3 (0.1-212.0) .45 7.5 (3.1-76.4) 43.7 (0.1-212.0) .13 13.0 (3.1-81.0) 8.8 (0.4-126.0) .60
D-dimer, mg/L 0.4 (0.2-9.5) 0.5 (0.1-20.0) .40 0.5 (0.2-9.5) 1.3 (0.1-20.0) .27 0.4 (0.2-4.5) 0.4 (0.2-8.7) .99
Creatine kinase, U/L 67.0 (32.0-1214.0) 64.0 (8.8-12216.0) .41 105.0 (32.0-1214.0) 83.0 (8.8-12216.0) .76 66.0 (42.0-171.0) 57.5 (19.0-1260.0) .29
Lactate dehydrogenase, U/L 205.0 (2.5-517.0) 242.0 (2.2-908.0) .28 170.0 (46.0-517.0) 309.0 (2.2-880.0) .05 254.0 (2.5-481.0) 215.0 (2.9-908.0) .67
Aminotransferase, U/L
Alanine 26.0 (5.0-116.0) 27.0 (6.0-1933.0) .70 19.0 (5.0-80.0) 35.0 (8.0-1933.0) .23 26.0 (8.0-116.0) 23.0 (6.0-261.0) .56
Aspartate 22.0 (8.0-115.0) 27.0 (9.0-8191.0) .29 22.0 (8.0-53.0) 35.5 (12.0-8191.0) .13 22.0 (14.0-115.0) 23.5 (9.0-244.0) >.99
Blood urea nitrogen, mmol/L 4.1 (1.6-8.8) 4.1 (1.5-48.1) .76 4.2 (3.5-8.8) 4.7 (1.5-48.1) .96 3.7 (1.6-5.3) 3.9 (1.7-13.7) .66
Creatinine, μmol/L 62.5 (48.1-121.4) 68.3 (35.9-9435.0) .46 71.4 (58.3-121.4) 71.7 (35.9-9435.0) .72 59.9 (48.1-77.3) 66.6 (39.4-229.1) .24

Abbreviations: COVID-19, coronavirus disease 2019; PNS, peripheral nervous system.

SI conversion factor: To convert aminotransferase levels to microkatals per liter, multiply by 0.0167; creatine kinase to microkatals per liter, multiply by 0.0167; lactate dehydrogenase to microkatals per liter, multiply by 0.0167.

a

P values indicate differences between patients with and without PNS symptoms, and P less than .05 was considered statistically significant.