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Table 3 Differences in disease severity between trajectory groups

From: Longitudinal trajectories of pneumonia lesions and lymphocyte counts associated with disease severity among convalescent COVID-19 patients: a group-based multi-trajectory analysis

Characteristics Group 1
(N = 36)
Group 2
(N = 117)
Group 3
(N = 64)
Group 4
(N = 40)
P value
Clinical subtype on admission < 0.001
Mild 1 (2.8%) 0 (0%) 0 (0%) 0 (0%)  
Moderate 35 (97.2%) 117 (100%) 63 (98.4%) 35 (87.5%)  
Severe 0 (0%) 0 (0%) 1 (1.6%) 4 (10.0%)  
Critical 0 (0%) 0 (0%) 0 (0%) 1 (2.5%)  
Worst clinical subtype during hospitalisation  
Moderate 36 (100%) 117 (100%) 62 (96.9%) 27 (67.5%)  
Severe 0 (0%) 0 (0%) 2 (3.1%) 8 (20.0%)  
Critical 0 (0%) 0 (0%) 0 (0%) 5 (12.5%)  
  1. Statistics presented: median (IQR), n (%); Statistical tests performed: Kruskal-Wallis, chi-squared, or Fisher’s exact tests as needed