High-energy blunt pelvic ring injury incidence and polytrauma caseload in a single level I trauma center during COVID-19 related pseudo-lockdown measures: a retrospective cohort study based on a prospective registry

Table 3 Absolute number of polytrauma patients (2014–2020)

Period	ISS ≥ 16		ISS ≥ 20		ISS ≥ 24
Period	Full year	Mar 16–Jun 19	Full year	Mar 16–Jun 19	Full year	Mar 16–Jun 19
2014	127	22	91	18	76	16
2015	109	20	77	15	60	13
2016	141	42	101	32	77	23
2017	151	33	84	24	69	19
2018	146	39	81	21	60	19
2019	138	37	90	22	66	15
2020	129	34	73	15	57	11

Values are expressed as absolute numbers
Patients are defined as any patient ≥ 16 year old
Polytrauma patients were defined has having an ISS ≥ 16 (common definition) and results are also presented for ISS ≥ 20 and ISS ≥ 24 as an attempt to differentiate most severe cases
Full year corresponds to the full calendar year (January 1st to December 31st)
The period Mar 16-Jun 19 corresponds to the pseudo-lockdown period evaluated in this study: March 16th to June 19th
ISS: Injury Severity Score; Mar: March; Jun: June
The 2020 pseudo-lockdown period and year are highlighted in bold for clarity purpose

ISSN: 2047-783X