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Table 1 Number of admissions per month before and during the outbreak of SARS-CoV-2

From: The changing spectrum of microbial aetiology of respiratory tract infections in hospitalized patients before and during the COVID-19 pandemic

Diagnosis

Jan. 2017–Febr. 2020

March 2020–June 2021

Difference (95% CI)

p-value

Upper RTI

137 (100–170)

83 (72–100)

− 37.0% (− 48.0% to − 23.6%)

< 0.001

Other lower RTI

80 (62–134)

49 (34–60)

− -46.7% (− 58.8% to − 31.2%)

< 0.001

Bacterial pneumonia

105 (94–121)

62 (53–67)

− 43.7% (− 50.1% to − 63.4%)

< 0.001

Obstructive lung disease

101 (92–116)

77 (72–87)

− 24.8% (− 32.3% to − 16.6%)

< 0.001

Total number of RTIs/acute respiratory complaints

447 (370–594)

268 (236–309)

− 41.0% (− 49.2% to − 31.5%)

< 0.001

All admissions

3219 (3053–3292)

3239 (3085–3338)

1.1% (− 4.1% to 6.6%)

0.672

  1. Number of admissions before the COVID-19 pandemic compared with number of admissions during the COVID-19 pandemic. Numbers are given as median admissions per month with interquartile range. P-values were calculated with two sample t-tests on logarithm-transformed values. Percentage changes with 95% CIs were obtained after back-transformation
  2. Jan January, Febr February, 95% CI 95% confidence interval, RTIs respiratory tract infections