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. 2019 Feb 28;38(4):667–673. doi: 10.1007/s10096-019-03514-1

Table 4.

Length of hospitalization (in days) according influenza viral load

Characteristics All patients (n = 239) Ct value (viral load) P valuea P valueb
≤ 20 (n = 27) > 20–30 (n = 138) > 30 (n = 74)
All cases 7 (5–12) 9 (6–13) 7 (5–11) 8 (5–12.25) 0.19 0.34
Pneumonia 9 (5.25–14.75) 13 (9–38.5) 8 (4–10.75) 9 (6–26) 0.12 0.098
Respiratory failure 15.5 (8.5–51.5) 45 (15-NA) 13 (7–39.5) 26 (14–53) 0.447 0.26
Poor outcome 13 (6.75–33.25) 37 (12.5–53.5) 8 (5–17.5) 14 (11–32) 0.223 0.091

Results are expressed as median with interquartile range (IQR). aAcross all Ct value groups. bBetween high viral load group (Ct ≤ 20) and other groups combined