Table 3.: Course and Severity of Illness by Source Patient and Oseltamivir Susceptibility A(H1N1) Virus

Category Sentinel Non-sentinel
Resistant (n=14) Sensitive (n=57) RR (95%CI) Resistant (n=32) Sensitive (n=68) RR (95%CI)
Complications <4w 2/13 (15.4%) 3/39 (7.7%) 2.0 (0.4 -10.7) 6/19 (31.6%) 8/27 (29.6%) 1.1 (0.4 – 2.6)
Death <4w 0/13 0/40 - 1/21 (4.8%) 0/26 NA
Hospitalization <4w 1/13 (7.7%) 0/40 NA 14/21 (66.7%) 15/26 (57.7%) 1.2 (0.7 – 1.8)
Recovered <4w 13/13 (100%) 39/40 (97.5%) NA 15/19 (79.0%) 25/27 (92.6%) 0.9 (0.7- 1.1)
Median number of days to recovery (IQR) 15 (10 – 16) 7 (7 – 14) NA 12 (7 - >28) 6.5 (4 -14) NA

RR= relative risk.<4w = within 4 weeks after first day of illness.NA = not available.p>0.05 for all differences in course and severity between patients with a resistant virus and patients with a sensitive virus.