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Table 4 Basic characteristics by 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
Age, years (IQR) 34 (30, 41) 44 (36, 60) 56 (46, 64) 65 (52, 69) < 0.001
Male sex, n (%) 18 (50.0%) 59 (50.4%) 31 (48.4%) 23 (57.5%) 0.832
Smoking, n (%) 4 (11.1%) 7 (6.0%) 5 (7.8%) 4 (10.0%) 0.630
Symptoms
Fever 28 (77.8%) 99 (84.6%) 50 (78.1%) 37 (92.5%) 0.204
Cough 28 (77.8%) 94 (80.3%) 57 (89.1%) 31 (77.5%) 0.346
Diarrhoea 4 (11.1%) 27 (23.1%) 11 (17.2%) 7 (17.5%) 0.406
Comorbidity
Cardiovascular disease 0 (0%) 9 (7.7%) 5 (7.8%) 4 (10.0%) 0.289
Hypertension 1 (2.8%) 30 (25.6%) 15 (23.4%) 13 (32.5%) 0.013
Coronary heart disease 0 (0%) 9 (7.7%) 5 (7.8%) 4 (10.0%) 0.289
Diabetes 0 (0%) 14 (12.0%) 5 (7.8%) 8 (20.0%) 0.021
Chronic obstructive pulmonary disease 0 (0%) 1 (0.9%) 4 (6.2%) 1 (2.5%) 0.100
Cancer 2 (5.6%) 1 (0.9%) 3 (4.7%) 0 (0%) 0.108
  1. Statistics presented: median (IQR), n (%); Statistical tests performed: Kruskal-Wallis, chi-squared, or Fisher’s exact tests as needed