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Table 2 Country-level effect sizes of pandemic preparedness capacities on cumulative COVID-19 death completion rates and ratios of COVID-19 excess mortality to reported COVID-19 mortality

From: Pandemic preparedness improves national-level SARS-CoV-2 infection and mortality data completeness: a cross-country ecologic analysis

Pandemic preparedness capacity

COVID-19 death completion rate ratio

Ratio of excess mortality to reported COVID-19 mortality

The Economist

IHME

WHO

Global health security index score

1.11 (1.06, 1.15)

− 0.02 (− 0.09, 0.04)

− 0.06 (− 0.10, − 0.02)

− 0.02 (− 0.08, 0.05)

 Prevention score

1.05 (1.04, 1.07)

− 0.01 (− 0.03, 0.02)

− 0.03 (− 0.04, − 0.01)

− 0.00 (− 0.03, 0.02)

  Zoonotic disease

1.02 (1.01, 1.03)

− 0.00 (− 0.02, 0.02)

− 0.01 (− 0.02, − 0.00)

0.00 (− 0.02, 0.02)

 Detection score

1.03 (1.01, 1.05)

0.01 (− 0.02, 0.04)

− 0.02 (− 0.04, − 0.00)

− 0.01 (− 0.04, 0.03)

  Laboratory capacity

   Low capacity

0.88 (0.62, 1.25)

− 0.36 (− 0.93, 0.22)

− 0.08 (− 0.41, 0.25)

− 0.39 (− 0.99, 0.21)

   Moderate capacity

1.28 (0.92, 1.77)

− 0.04 (− 0.37, 0.30)

− 0.07 (− 0.37, 0.24)

− 0.04 (− 0.42, 0.33)

   Moderate− high capacity

1.78 (1.29, 2.45)

− 0.47 (− 0.95, 0.01)

− 0.48 (− 0.79, − 0.16)

− 0.57 (− 1.07, − 0.07)

  Laboratory quality systems

   Moderate quality

1.02 (0.71, 1.47)

0.40 (− 0.17, 0.97)

0.14 (− 0.17, 0.44)

0.42 (− 0.12, 0.96)

   High quality

1.56 (1.15, 2.12)

0.15 (− 0.27, 0.58)

− 0.30 (− 0.57, − 0.02)

− 0.07 (− 0.52, 0.38)

  Case-based investigation

1.01 (1.00, 1.01)

− 0.00 (− 0.01, 0.01)

− 0.01 (− 0.02, − 0.00)

− 0.01 (− 0.02, 0.00)

  Laboratory supply chain

   Moderate

0.80 (0.61, 1.06)

0.21 (− 0.09, 0.52)

0.19 (− 0.06, 0.45)

0.31 (− 0.01, 0.64)

   High

1.04 (0.45, 2.40)

− 0.95 (− 2.42, 0.51)

− 0.59 (− 1.96, 0.77)

− 1.17 (− 2.49, 0.14)

  Real-time surveillance/reporting

1.00 (0.99, 1.01)

0.01 (− 0.00, 0.02)

0.00 (− 0.00, 0.01)

0.01 (− 0.01, 0.02)

 Response score

1.05 (1.00, 1.10)

− 0.03 (− 0.10, 0.03)

− 0.03 (− 0.07, 0.01)

− 0.01 (− 0.07, 0.05)

  Emergency preparedness and response planning

1.01 (1.00, 1.03)

0.00 (− 0.02, 0.03)

− 0.01 (− 0.02, 0.00)

0.01 (− 0.02, 0.03)

  Access to communications infrastructure

1.16 (1.07, 1.25)

− 0.14 (− 0.22, − 0.05)

− 0.09 (− 0.15, − 0.03)

− 0.09 (− 0.18, − 0.01)

 Health system score

1.05 (1.03, 1.07)

− 0.01 (− 0.04, 0.02)

− 0.03 (− 0.05, − 0.00)

0.01 (− 0.03, 0.04)

  Health capacity in healthcare settings

1.02 (1.00, 1.03)

− 0.02 (− 0.04, 0.00)

− 0.01 (− 0.03, 0.00)

− 0.02 (− 0.04, 0.00)

  Healthcare access

1.04 (0.98, 1.09)

− 0.02 (− 0.06, 0.02)

− 0.01 (− 0.06, 0.03)

− 0.01 (− 0.06, 0.05)

 International norms score

1.01 (0.97, 1.05)

0.01 (− 0.06, 0.07)

− 0.01 (− 0.06, 0.03)

0.02 (− 0.04, 0.08)

  Cross-border agreements on health responses

   Moderate

0.99 (0.72, 1.37)

0.25 (− 0.23, 0.74)

0.06 (− 0.23, 0.36)

0.25 (− 0.26, 0.76)

   High

1.01 (0.72, 1.43)

0.17 (− 0.30, 0.63)

− 0.01 (− 0.34, 0.33)

0.21 (− 0.26, 0.68)

  International commitments

1.03 (1.01, 1.05)

0.00 (− 0.03, 0.03)

− 0.02 (− 0.03, 0.00)

0.00 (− 0.03, 0.03)

 Risk Environment score

1.15 (1.08, 1.23)

− 0.17 (− 0.28, − 0.06)

− 0.10 (− 0.17, − 0.03)

− 0.17 (− 0.28, − 0.06)

  Government effectiveness

1.05 (1.02, 1.07)

− 0.05 (− 0.09, − 0.00)

− 0.03 (− 0.05, − 0.00)

− 0.05 (− 0.09, − 0.00)

  Socioeconomic resilience

1.18 (1.13, 1.23)

− 0.16 (− 0.24, − 0.08)

− 0.12 (− 0.18, − 0.07)

− 0.13 (− 0.21, − 0.05)

  Social inclusion

1.06 (1.03, 1.09)

− 0.04 (− 0.07, − 0.02)

− 0.04 (− 0.07, − 0.02)

− 0.02 (− 0.05, 0.01)

  Inequality

1.01 (1.00, 1.02)

− 0.01 (− 0.02, 0.01)

− 0.01 (− 0.02, 0.00)

− 0.01 (− 0.02, 0.01)

  Trust in health advice from government

   Moderate trust

1.01 (0.70, 1.47)

− 0.36 (− 0.75, 0.04)

− 0.04 (− 0.34, 0.25)

− 0.28 (− 0.82, 0.27)

   High trust

1.05 (0.70, 1.57)

− 0.07 (− 0.52, 0.38)

− 0.12 (− 0.54, 0.30)

− 0.13 (− 0.75, 0.48)

  Trust in health advice from health care worker

   Moderate trust

3.12 (2.29, 4.26)

− 1.28 (− 2.00, − 0.55)

− 0.74 (− 1.18, − 0.29)

− 0.30 (− 2.21, 1.61)

   High trust

2.96 (2.12, 4.13)

− 0.93 (− 1.65, − 0.21)

− 0.68 (− 1.16, − 0.20)

− 0.09 (− 1.98, 1.81)

Joint external evaluation (JEE) ready score

1.16 (1.10, 1.22)

− 0.02 (− 0.11, 0.06)

− 0.08 (− 0.15, − 0.01)

− 0.07 (− 0.15, 0.01)

 Prevention score

1.16 (1.10, 1.22)

− 0.06 (− 0.13, 0.01)

− 0.09 (− 0.15, − 0.03)

− 0.12 (− 0.19, − 0.04)

 Detection score

1.18 (1.10, 1.28)

0.01 (− 0.11, 0.12)

− 0.11 (− 0.20, − 0.03)

− 0.08 (− 0.18, 0.01)

 Response score

1.08 (1.03, 1.13)

− 0.00 (− 0.09, 0.09)

− 0.04 (− 0.09, 0.01)

− 0.01 (− 0.09, 0.07)

  1. Effect sizes are rate ratios comparing 10% differences in each index. Individual regressions were implemented for each GHS Index measure to assess the effect of the measure independent of other indicators. Covariates included in each regression was log transformed pre-pandemic gross domestic product (GDP) per capita. Ratio of excess mortality to reported COVID-19 mortality were log-modulus transformed prior to regressions owing to potential negative excess deaths for some countries. One was added to continuous preparedness indicators prior to log transformation