Table 2.

Demographic, clinical and laboratory variables associated with outcomes

Variables	N	Best cut-off	Sens (best cutoff)	Spec (best cutoff)	p value
Age	117	> 84	38.0%	80.3%	0.220
Smoke (past)	30		22.2%	47.6%	0.106
Social distancing—R (above 1 m)	115		33.3%	77.6%	0.192
CHD	117		8.0%	79.1%	0.056
Overweight	82		28.6%	93.6%	0.007
Dementia	117		30.0%	79.1%	0.259
Number of drugs	115	≥  6	44.9%	80.3%	0.207
Not 100% self-sufficient	115		20.8%	83.6%	0.546
Confined in bed	115		22.9%	91.0%	0.038
Fever	117		78.0%	26.9%	0.547
Cough	117		34.0%	59.7%	0.487
Dyspnea	117		72.0%	41.8%	0.124
Tachypnoea	107		56.3%	76.3%	0.001
Cyanosis	106		21.3%	96.6%	0.004
Braden total	101	< 18	84.8%	63.6%	0.000
PO2	54	< 54.4	70.0%	88.2%	0.000
HCO3	37	< 23.0	78.6%	78.3%	0.010
Lactate	49	≥ 1.3	70.0%	72.4%	0.003
P/F	76	< 257	74.3%	70,7%	0.000
SpO2%	102	< 95	85.7%	51.7%	0.010
PCR	112	≥ 89.8	68.8%	70.3%	0.000
PCT	90	≥ 0.18	66.7%	76.5%	0.000
Fibrinogen	103	< 511	51.2%	68.9%	0.182
LDH	97	≥ 439	61.0%	87.5%	0.000
AST	95	≥ 44	61.0%	74.1%	0.004
Creat	111	≥ 1.57	33.3%	84.1%	0.031
CPK	105	≥ 84	83.3%	43.9%	0.003
CPAP	117		58.0%	79.1%	0.000

CHD, coronary heart disease; PCR, polymerase chain reaction; PCT, procalcitonin; LDH, lactate dehydrogenase; AST, aspartate aminotransferase; CPK, creatine phosphokinase; CPAP, continuous positive airway pressure