CRP and lymphopenia: CRP was elevated in all 13 cases, median 187.01 (IQR 135.61–249.15) mg/L, elevated ESR in 11/13 patients, median 48 (IQR 40.5–65.5) mm/h, lymphopenia in 11/13 cases, median 550 (IQR 440–650) μL, thrombocytopenia in 12/13 cases, median 112 (IQR 96–134.25) μL, and hyponatremia in 8/13, median 129.65 (IQR 126.8–131.25) mmol/L.