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Table 2 Summary statistics and agreement estimates for healthcare usage by stroke patients over 1 year post-stroke

From: Can caregivers report their care recipients’ post-stroke hospitalizations and outpatient visits accurately? Findings of an Asian prospective stroke cohort

  Caregiver-reported visits
Median (25th – 75th)
Objective administrative visits
Median (25th – 75th)
ICCa
Estimate
(95% CI)
Modified ICC, original scaleb
Estimate
(95% CI)
Modified ICC, latent scaleb
Estimate (95% CI)
Over- or under-reporting effect
IRR (95% CI)
Hospitalization
Mean (SD)
0 (0–1)
0.55 (0.89)
0 (0–0)
0.38 (0.93)
0.48 (0.41, 0.55) 0.55 (0.35, 0.63) 0.54 (0.42, 0.61) 1.49 (1.22, 1.82)
ED visits
Mean (SD)
0 (0–0)
0.11 (0.42)
0 (0–1)
0.53 (1.38)
0.10 (0.01, 0.19) 0.10 (0.00, 0.11) 0.39 (0.08, 0.49) 0.19 (0.13, 0.28)
SOC visits
Mean (SD)
2 (0–4)
2.80 (3.37)
3 (1–5)
3.87 (4.31)
0.51 (0.44, 0.57) 0.59 (0.51, 0.67) 0.64 (0.56, 0.69) 0.71 (0.65, 0.78)
Primary care visits
Mean (SD)
1 (0–2)
1.50 (1.96)
1 (0–3)
1.83 (2.14)
0.47 (0.40, 0.53) 0.60 (0.49, 0.69) 0.61 (0.52, 0.66) 0.81 (0.72, 0.91)
  1. aICC assumes the healthcare usage has a Gaussian distribution
  2. bModified ICC assumes the healthcare usage has a Poisson distribution