Table III.
ORs for the different outcomes at the time of sampling and with lags associated with a rhinovirus-positive nasal wash sample
| Outcome | No lag |
Lag of 3-4 d |
Lag of 6-8 d |
||||||
|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | P value | OR | 95% CI | P value | OR | 95% CI | P value | |
| Cough/phlegm | 2.00 | 1.40 to 2.86 | .0001 | 2.12 | 1.36 to 3.31 | .001 | 1.34 | 0.87 to 2.08 | .183 |
| Wheeze/chest tightness | 2.34 | 1.55 to 3.52 | <.0001 | 2.43 | 1.48 to 3.99 | .0004 | 1.53 | 0.94 to 2.49 | .085 |
| Reliever use | 2.30 | 1.58 to 3.34 | <.0001 | 2.03 | 1.29 to 3.19 | .0023 | 1.75 | 1.14 to 2.69 | .011 |
| Composite febrile | 1.66 | 1.01 to 2.71 | .045 | 2.84 | 1.54 to 5.26 | .0009 | 1.77 | 0.95 to 3.29 | .072 |
| Composite coryzal | 1.89 | 1.23 to 2.89 | .004 | 2.92 | 1.61 to 5.30 | .0004 | 2.03 | 1.18 to 3.52 | .011 |
| Difference | |||||||||
| PEF z score | −0.106 | −0.235 to 0.024 | .110 | 0.049 | −0.106 to 0.20 | .537 | −0.019 | −0.16 to 0.129 | .797 |
| FEV1z score | 0.063 | −0.192 to 0.066 | .339 | 0.040 | −0.118 to 0.197 | .621 | −0.053 | −0.203 to 0.096 | .482 |
Only those samples recorded in the period of 3 and 4 days and the period of 6, 7, and 8 days after the initial sample were used in the analysis of lags.
OR, Odds ratio.
Values in boldface are P < .05.