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Table 5 Comparison of time duration from illness onset to different points among different waves

From: Comparison of the first three waves of avian influenza A(H7N9) virus circulation in the mainland of the People’s Republic of China

Time duration
(days)
wave 1 wave 2 wave 3 P
No. of cases Median (IQR) No. of cases Median (IQR) No. of cases Median (IQR)
Time between illness onset to first seeking healthcare 127 1 (0–3) 255 1 (0–4) 167 1 (0–3) 0.37
Time between illness onset to hospitalization 75 5 (4–7) 239 5 (3–7) 185 5 (3–7) 0.22
Time between illness onset to lab confirmation 133 8 (6–11) 306 8 6–11) 219 8 (6–10) 0.07
Time between onset to initiation antiviral treatment 50 7 (5–9) 195 6 (4–9) 151 6 (4–8) 0.17
Time between illness onset to death 44 21 (11–34) 127 19 (10–31) 98 16 (10–27) 0.23