Hospital Mortality and Resource Implications of Hospitalisation with COVID-19 in London, UK: A Prospective Cohort Study

Table 2

Admission and most abnormal laboratory values for the study population, by location of admission.

	Study population (n = 429)		Treated only on ward (n = 353)		Treated in ICU (n = 76)		Normal range
	Admission	Most abnormal^†	Admission	Most abnormal^†	Admission	Most abnormal^†
Haemoglobin (g·l^−1)	128 (110–141)	110 (87–125)	127 (110–140)	113 (97–129)	134 (114–148)	78 (68–94)	115–155
WBC (×10^9·l^−1)	6.7 (5.2–9.3)	9.3 (6.9–13.3)	6.5 (5.0–8.8)	8.6 (6.5–11.0)	8.2 (6.5–11.2)	19.5 (12.4–28.0)	4.0–11.0
Neutrophils (×10^9·l^−1)	5.2 (3.7–7.4)	7.4 (5.3–11.2)	4.9 (3.6–7.0)	6.8 (4.9–9.1)	6.7 (4.6–9.4)	16.8 (10.1–23.2)	2.2–6.3
Lymphocytes (×10^9·l^−1)	1.0 (0.7–1.4)	0.8 (0.5–1.1)	1.0 (0.7–1.4)	0.8 (0.6–1.1)	1.0 (0.8–1.3)	0.7 (0.5–0.8)	1.3–4.0
Platelets (×10^9·l^−1)	213 (161–278)	187 (139–237)	210 (159–279)	189 (142–243)	219 (172–274)	174 (110–217)	150–450
CRP (mg·l^−1)	75 (28–143)	159 (81–299)	61 (22–119)	143 (66–218)	134 (84–239)	385 (310–487)	<5
Creatinine (μmol·l^−1)	92 (68–130)	102 (77–207)	91 (68–128)	97 (74–143)	96 (69–150)	324 (108–533)	45–120
AST (IU·l^−1)	43 (29–69)	70 (44–122)	39 (27–59)	59 (39–92)	63 (39–102)	196 (104–396)	10–50
GGT (IU·l^−1)	47 (26–94)	74 (40–182)	44 (25–88)	64 (35–126)	64 (39–113)	237 (106–433)	1–55
Bilirubin (μmol·l^−1)	8 (5–11)	10 (7–15)	7 (5–11)	9 (6–13)	9 (6–13)	15 (10–23)	3–20
Creatine kinase (U·l^−1)	368 (89–1553)	546 (108–1870)	374 (88–1628)	311 (78–1628)	318 (90–1363)	773 (168–2091)	<150
LDH (U·l^−1)	476 (355–670)	522 (353–748)	365 (229–496)	350 (252–496)	564 (426–757)	628 (466–805)	<240
Troponin T (ng·l^−1)	25 (11–54)	35 (15–85)	25 (11–60)	27 (11–65)	26 (10–51)	51 (22–174)	<14
Ferritin (μg·l^−1)	914 (298–1596)	1039 (399–2374)	666 (258–1374)	877 (304–1512)	1157 (487–1777)	1630 (683–3423)	13–150
D-Dimers (ng·l^−1)	1850 (805–4090)	1850 (805–4090)	1315 (610–2470)	1315 (610–2470)	3240 (1160–6950)	3240 (1160–6950)	<500
Lactate (mmol·l^−1)	1.5 (1.1–2.0)	1.7 (1.3–2.5)	1.5 (1.1–2.1)	1.5 (1.2–2.2)	1.5 (1.1–1.9)	2.3 (1.8–4.8)	<2

Data are reported as median (IQR). Abbreviations: WBC, white blood cells; CRP, C-reactive protein; AST, aspartate aminotransferase; GGT, gamma-glutamyl transferase; LDH, lactate dehydrogenase. Admission laboratory tests were not performed or available for the following number of patients: haemoglobin 1/429 (<1%), white blood cells 2/429 (<1%), neutrophils 1/429 (<1%), lymphocytes 1/429 (<1%), platelets 8/429 (2%), C-reactive protein 2/429 (<1%), creatinine 1/429 (<1%), AST 35/429 (8%), GGT 18/429 (4%), bilirubin 5/429 (1%), creatinine kinase 345/429 (80%), LDH 363/429 (85%), troponin 271/429 (63%), ferritin 318/429 (74%), D-dimers 309/429 (72%), and lactate 86/429 (20%). ^†Subsequent laboratory tests were not performed for the following number of patients: haemoglobin 8/429 (2%), white blood cells 9/429 (2%), neutrophils 7/429 (2%), lymphocytes 9/429 (2%), platelets 8/429 (2%), C-reactive protein 6/429 (1%), creatinine 6/429 (1%), AST 25/429 (6%), GGT 14/429 (3%), bilirubin 9/429 (2%), creatinine kinase 339/429 (79%), LDH 356/429 (83%), troponin 266/429 (62%), ferritin 302/429 (70%), D-dimers 309/429 (72%), and lactate 115/429 (27%).