Table 2. Comparisons of hematological parameters according to PCR test results.

Hematological parameters	Negative† (n = 119)	Positive† (n = 163)	p-value
Platelets	233.0 ± 72.3 226.0 (185.0–275.0)	210.0 ± 72.3 198.0 (168.0–241.0)	0.009‡
Hemoglobin	13.9 ± 1.8 14.0 (12.5–15.4)	14.7 ± 1.7 14.8 (13.3–15.9)	0.000‡
Leukocytes	9.2 ± 3.7 8.4 (6.9–10.6)	6.0 ± 3.9 5.8 (4.5–7.0)	0.000‡
Neutrophils	6.2 ± 3.5 5.5 (4.1–7.6)	3.5 ± 2.0 3.1 (2.4–4.1)	0.000§
Lymphocytes	2.2 ± 2.5 1.9 (1.4–2.4)	2.8 ± 5.5 1.8 (1.4–2.3)	0.223‡
NLR	3.8 ± 3.2 2.8 (1.9–5.0)	2.0 ± 1.5 1.7 (1.2–2.4)	0.000§
PLR	133.5 ± 59.3 121.3 (91.2–164.1)	119.8 ± 58.5 113.3 (82.2–147.5)	0.081§
SII	864.4 ± 718.0 659.8 (409.3–979.1)	427.5 ± 347.0 345.9 (218.5–501.2)	0.000§

^†Mean ± standard deviation/median (interquartile range: Q1–Q3).

^‡Independent samples t-test.

^§Mann–Whitney U test.

The values in bold font have a statistically significant difference.

NLR: Neutrophil lymphocyte ratio; PLR: Platelet lymphocyte ratio; SII: Systemic inflammatory index.