Table 1

Patient demographics and clinical characteristics: comparison between operated and non-operated patients

Number of patientsNon-operatedOperatedComparison between groups
(p value)
680913
Age (median. IQR)56 (21)56 (29)0.992
SexMale 350 (51.5%)
Female 330 (48.5%)
Male 487 (53.3%)
Female 426 (46.7%)
0.460
Epidemiological week*4 (7)19 (10)<0.001
Community SARS-CoV-2 incidence*7 (31)33 (20)<0.001
Weight/BMI75 kg (21)/
29.5 kg/m2 (6.3)
70 kg (22)/
26.1 kg/m2 (9.5)
0.026
0.051
ASA grade
 Unknown
 Grades I and II
 Grades III and IV
 Grade V
9 (1.3%)
521 (76.7%)
149 (22%)
0
18 (2%)
582 (63.7%)
305 (33.4%)
8 (0.9%)
<0.001
Medical history
 None
 Hypertension
 Diabetes
 Dyslipidemia
 Current smoker
 COPD
 Asthma
 Ischaemic heart disease
 Obesity
 Congestive heart failure
 Chronic kidney disease
 Arrhythmia
164 (24.1%)
245 (36%)
88 (12.9%)
48 (7.1%)
160 (23.5%)
37 (5.4%)
39 (5.7%)
32 (4.7%)
31 (4.6%)
20 (2.9%)
22 (3.2%)
5 (0.7%)
208 (22.8%)
303 (33.2%)
152 (16.6%)
75 (8.2%)
134 (14.7%)
34 (3.7%)
28 (3.1%)
36 (3.9%)
23 (2.5%)
19 (2.1%)
18 (2%)
25 (2.7%)
0.533
0.238
0.041
0.393
<0.001
0.100
0.009
0.456
0.026
0.272
0.111
0.004
Specific pathology
 Oncology
 Degenerative spine
 TBI
 Haemorrhagic cerebrovascular disease
 CSF
 Functional
 Traumatic spine injury
 Infectious
 Paediatric specific
58 (8.5%)
470 (69.1%)
5 (0.7%)
17 (2.5%)
25 (3.7%)
86 (12.6%)
6 (0.9%)
2 (0.3%)
11 (1.6%)
286 (31.3%)
163 (17.9%)
111 (12.2%)
115 (12.6%)
93 (10.2%)
42 (4.6%)
40 (4.4%)
24 (2.6%)
39 (4.2%)
<0.001
Priority of the surgery
 Emergent
 Urgent (<48 hours)
 Expedite (<4 weeks)
 Elective (>4 weeks)
0
0
34 (5%)
646 (95%)
193 (21.1%)
120 (13.1%)
248 (27.2%)
352 (38.6%)
<0.001
SARS-CoV-2 infection
 Not confirmed/suspected
 Awaiting surgery
 Preoperative screening
 In-hospital admission
 After hospital discharge <30 days
 After hospital discharge >30 days
674 (99.1%)
6 (0.9%)
0
0
0
0
889 (97.4%)
5 (0.5%)
6 (0.7%)
5 (0.5%)
7 (0.8%)
1 (0.1%)
Not appropriate
  • *median week and SARS-CoV-2 rate of new cases at provice level by the time which the procedure was performed for Operated patients or patient was included into the surgical list for Nonoperated patients.

  • ASA, American Society of Anesthesiologists; BMI, body mass index; COPD, chronic obstructive pulmonary disease; CSF, cerebrospinal fluid; TBI, traumatic brain injury.