. 2021 Aug 2;30(4):478–483. doi: 10.1016/j.jtv.2021.07.011

Table 2.

Univariate analysis.

Variable	Control group		Case group		p-value
Variable	No. of patients	$\overline{X}$ (SD)	No. of patients	$\overline{X}$ (SD)
Sociodemographic variables
Sex (male)	107	56.3 %	63	67.0 %	0.116^c
Age	190	65.18 (15.21)	94	73.41 (13.86)	<0.001^a
Braden	41	14.49 (2.42)	44	12.68 (2.68)	0.004^a
Barthel	190	88.87 (23.93)	94	64.52 (35.48)	<0.001^a
Charlson	184	1.56 (1.81)	89	2.56 (2.35)	<0.001^a
Laboratory variables
D-dimer (ng/mL) on admission	190	3132.81 (12231.6)	94	7347.72 (18248.8)	0.006^a
Creatinine (mg/dL) on admission	177	0.980 (0.934)	84	1.025 (0.869)	0.053^a
LDH (U/L) on admission	40	248.5 (147.01)	25	336.0 (158.85)	0.097^a
Absolute lymphocytes/mL on admission	190	1.28 (0.88)	83	1.41 (2.00)	0.009^a
Ferritin (ng/L) on admission	63	601.3 (690.76)	35	804.6 (1767.34)	0.096^a
Hb (g/dL) on admission	173	137 (19.89)	85	133 (21.84)	0.156^a
C-reactive protein (CRP) (mg/dL) on admission	83	8.54 (28.48)	41	12.32 (11.56)	0.145^a
D-dimer (ng/mL) during hospitalisation	146	5306.78 (31669.9)	72	5449.33 (11906.3)	<0.001^a
Creatinine (mg/dL) during hospitalisation	171	0.840 (0.78)	88	0.920 (1.46)	0.021^a
LDH (U/L) during hospitalisation	124	276.5 (1507.42)	60	295.0 (164.88)	0.069^a
Absolute lymphocytes/mL during hospitalisation	190	1.58 (2.76)	94	1.59 (2.71)	0.007^a
Ferritin (ng/L) during hospitalisation	190	673.3 (10711.65)	94	902.05 (1103.74)	0.073^a
Hb (g/dL) during hospitalisation	169	124.32 (18.31)	88	118.97 (19.99)	0.033^a
C-reactive protein (CRP) (mg/dL) during hospitalisation	190	5.795 (15.85)	94	8.110 (8.72)	0.3523^a
Clinical variables
Body temperature (°C) in triage	185	36.95 (1.03)	93	36.64 (0.95)	0.018^a
Oxygen saturation on room air (%) in triage	180	94.03 (4.91)	90	91.72 (7.98)	0.04^a
Diastolic pressure (mmHg) in triage	184	74.27 (14.40)	92	70.93 (14.74)	0.073^b
Respiratory rate (breaths/min) in triage	190	21.09 (6.16)	94	22.64(6.70)	0.180^b
Body temperature (°C) during hospitalisation	190	36.46 (0.91)	94	36.52 (0.88)	0.665^a
Oxygen saturation on room air (%) during hospitalisation	190	94.60 (3.07)	94	93.80 (3.98)	0.144^a
Respiratory rate (breaths/min) during hospitalisation	30	23.53 (7.85)	18	26.83 (9.53)	0.038^b

Mann-Whitney U test.

Student's t-test.

McNemar's test.