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Table 3 Unadjusted and adjusted incidence rate ratios for overall admissions among pre-lockdown and during-lockdown periods at the Puerto Rico Trauma Hospital, with corresponding 95% confidence intervals

From: The effect of the lockdown executive order during the COVID-19 pandemic in recent trauma admissions in Puerto Rico

Overall trauma admissions

IRR (95% CI)

Adjusted IRRa (95% CI)

Lockdown

0.47 (0.38–0.57)

0.41 (0.31–0.54)

Pre-Lockdown (2017–2019)

1

1

Lockdown

0.43 (0.36–0.52)

0.37 (0.27–0.50)

Pre-Lockdown (2019)

1

1

Lockdown

0.46 (0.38–0.56)

0.41 (0.30–0.55)

Pre-Lockdown (2018)

1

1

Lockdown

0.51 (0.42–0.62)

0.43 (0.32–0.58)

Pre-Lockdown (2017)

1

1

  1. Four regression models were built using different reference groups in each one: total admissions during 2017–2019 (mean), 2019, 2018, and 2017
  2. IRR incidence rate ratio, CI confidence interval
  3. aadjusted for sex, age, mechanisms of injury, and injury severity score
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Injury Epidemiology

ISSN: 2197-1714