Evaluation of short and long-term laboratory and instrumental findings in COVID-19 patients hospitalized in Tuscany

Table 3 Relative risks in the study population of the need for oxygen therapy or of forced vital capacity and forced expiratory volume in one second/forced vital capacity < 0.70 at follow-up Source: Regional Health Agency Sprint data

Variable	Level	Raw RR				RR adjusted for age and gender				RRs adjusted for age and gender RRs adjusted for age, gender, days after discharge
		RR	Min	Mx	P value	RR	Min	Mx	P value	RR	Min	Mx	P value
Class of age	18-49	1.00				1.00				1.00
	50-59	1.22	0.66	2.27	0.521	1.18	0.63	2.18	0.606	1.17	0.63	2.16	0.617
	60-69	1.45	0.80	2.63	0.218	1.40	0.77	2.54	0.269	1.43	0.79	2.59	0.234
	70-79	2.95	1.71	5.10	0.000	2.93	1.70	5.07	0.000	2.81	1.63	4.85	0.000
	80+	3.61	1.99	6.54	0.000	3.60	1.99	6.52	0.000	3.25	1.81	5.84	0.000
Gender	Male	1.00				1.00				1.00
	Female	0.84	0.62	1.12	0.234	0.77	0.57	1.03	0.078	0.82	0.62	1.09	0.165
Chronic illnesses	No	1.00				1.00				1.00
	Yes	1.17	0.88	1.54	0.282	0.93	0.70	1.24	0.629	1.00	0.76	1.31	0.983
Chronic obstructive pulmonary disease	No	1.00				1.00				1.00
	Yes	2.19	1.35	3.55	0.001	1.62	0.99	2.64	0.053	1.46	0.92	2.32	0.109
Cardiovascular diseases	No	1.00				1.00				1.00
	Yes	1.24	0.77	1.98	0.376	0.97	0.61	1.54	0.890	0.97	0.61	1.55	0.914
Diabetes	No	1.00				1.00				1.00
	Yes	1.22	0.82	1.81	0.322	1.13	0.76	1.67	0.545	1.13	0.76	1.66	0.552
Hypertension	No	1.00				1.00				1.00
	Yes	0.91	0.63	1.32	0.620	0.80	0.56	1.15	0.227	0.87	0.61	1.25	0.456
Neurological diseases	No	1.00				1.00				1.00
	Yes	0.62	0.09	4.06	0.616	0.36	0.05	2.38	0.289	0.45	0.07	3.03	0.412
Tumors	No	1.00				1.00				1.00
	Yes	1.47	0.74	2.89	0.270	1.35	0.70	2.59	0.371	1.36	0.71	2.63	0.355
Smoking	No	1.00				1.00				1.00
	Ex smoker	0.59	0.32	1.10	0.099	0.55	0.30	1.01	0.054	0.56	0.33	0.95	0.033
	Smoker	0.52	0.28	0.97	0.039	0.58	0.32	1.06	0.074	0.61	0.35	1.07	0.087
Days to discharge	< 90	1.00				1.00				1.00
	90-179	0.42	0.29	0.61	0.000	0.52	0.37	0.74	0.000	0.52	0.37	0.74	0.000
	180-269	0.26	0.18	0.39	0.000	0.31	0.22	0.46	0.000	0.31	0.22	0.46	0.000
	270-359	0.26	0.14	0.51	0.000	0.33	0.18	0.63	0.001	0.33	0.18	0.63	0.001
	360+	0.16	0.07	0.40	0.000	0.21	0.08	0.51	0.001	0.21	0.08	0.51	0.001
Body mass index	Normal weight/underweight	1.00				1.00				1.00
	Overweight	0.38	0.22	0.63	0.000	0.38	0.23	0.64	0.000	0.38	0.24	0.62	0.000
	Obese	0.85	0.54	1.36	0.512	1.02	0.64	1.63	0.922	0.93	0.63	1.37	0.714

Min: Minimum; Mx: Maximum; RR: Relative risks.