Table 2 Time between the onset of fever and onset of rash by various factors
The time from onset of fever until onset of rash (days) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Factors | -2 | −1 | 0 | 1 | 2 | 3 | 4 | 5 | 6–12 | Total |
Laboratory test of rubella | ||||||||||
Positive | 0 | 4 | 10 | 11 | 4 | 0 | 0 | 0 | 0 | 29 |
Negative | 2 | 7 | 10 | 4 | 4 | 15 | 7 | 4 | 4 | 57 |
Sex | ||||||||||
Female | 0 | 3 | 4 | 3 | 2 | 6 | 2 | 1 | 2 | 23 |
Male | 2 | 8 | 16 | 12 | 6 | 9 | 5 | 3 | 2 | 63 |
Age (years) | ||||||||||
0–29 | 2 | 7 | 3 | 0 | 3 | 8 | 5 | 2 | 2 | 32 |
30–59 | 0 | 4 | 13 | 12 | 5 | 6 | 2 | 2 | 1 | 45 |
60–79 | 0 | 0 | 4 | 3 | 0 | 1 | 0 | 0 | 1 | 9 |
Rubella vaccination history | ||||||||||
Never | 0 | 4 | 5 | 4 | 3 | 2 | 1 | 0 | 2 | 21 |
Once | 0 | 1 | 1 | 3 | 1 | 4 | 0 | 1 | 0 | 11 |
Twice | 1 | 2 | 1 | 0 | 0 | 2 | 3 | 0 | 2 | 11 |
Unknown | 1 | 4 | 13 | 8 | 4 | 7 | 3 | 3 | 0 | 43 |
History of definite contact of a rubella patient | ||||||||||
Contact | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
Sporadic | 2 | 9 | 18 | 15 | 8 | 15 | 7 | 4 | 4 | 82 |