Infant Samples, Matched Analysis Using Conditional Logistic Regression, Stratified by Timing of Case, Neutralizing Activity (80% Inhibitory Concentration) Dichotomized High (Respiratory Syncytial Virus [RSV]-A ≥239, RSV-B ≥60)/low
| Group . | Case Before 3 Months . | . | Case After 3 Months . | . |
|---|---|---|---|---|
| ORa(95% CI) | P Value | ORa(95% CI) | P Value | |
| Comparing RSV-A IC80 high/low | ||||
| RSV cases | 1.00 | Ref (n = 47) | 1.00 | Ref (n = 93) |
| ILI controls | 3.15 (1.28–7.79) | .01 | 0.76 (.22–2.67) | .67 |
| Healthy controls | 4.22 (1.67–10.67) | .002 | 1.69 (.57–5.01) | .35 |
| Comparing RSV-B IC80 high/low | ||||
| RSV cases | 1.00 | Ref (n = 46) | 1.00 | Ref (n = 91) |
| ILI controls | 0.86 (.41–2.78) | .72 | 0.74 (.49–1.78) | .39 |
| Healthy controls | 3.94 (1.22–12.62) | .02 | 0.80 (.25–2.50) | .70 |
| Group . | Case Before 3 Months . | . | Case After 3 Months . | . |
|---|---|---|---|---|
| ORa(95% CI) | P Value | ORa(95% CI) | P Value | |
| Comparing RSV-A IC80 high/low | ||||
| RSV cases | 1.00 | Ref (n = 47) | 1.00 | Ref (n = 93) |
| ILI controls | 3.15 (1.28–7.79) | .01 | 0.76 (.22–2.67) | .67 |
| Healthy controls | 4.22 (1.67–10.67) | .002 | 1.69 (.57–5.01) | .35 |
| Comparing RSV-B IC80 high/low | ||||
| RSV cases | 1.00 | Ref (n = 46) | 1.00 | Ref (n = 91) |
| ILI controls | 0.86 (.41–2.78) | .72 | 0.74 (.49–1.78) | .39 |
| Healthy controls | 3.94 (1.22–12.62) | .02 | 0.80 (.25–2.50) | .70 |
Abbreviations: IC80, 80% inhibitory concentration; ILI, influenza-like illness; OR, odds ratio; Ref, reference group; RSV, respiratory syncytial virus.
aOR for having high IC80 among controls compared with all RSV cases
Infant Samples, Matched Analysis Using Conditional Logistic Regression, Stratified by Timing of Case, Neutralizing Activity (80% Inhibitory Concentration) Dichotomized High (Respiratory Syncytial Virus [RSV]-A ≥239, RSV-B ≥60)/low
| Group . | Case Before 3 Months . | . | Case After 3 Months . | . |
|---|---|---|---|---|
| ORa(95% CI) | P Value | ORa(95% CI) | P Value | |
| Comparing RSV-A IC80 high/low | ||||
| RSV cases | 1.00 | Ref (n = 47) | 1.00 | Ref (n = 93) |
| ILI controls | 3.15 (1.28–7.79) | .01 | 0.76 (.22–2.67) | .67 |
| Healthy controls | 4.22 (1.67–10.67) | .002 | 1.69 (.57–5.01) | .35 |
| Comparing RSV-B IC80 high/low | ||||
| RSV cases | 1.00 | Ref (n = 46) | 1.00 | Ref (n = 91) |
| ILI controls | 0.86 (.41–2.78) | .72 | 0.74 (.49–1.78) | .39 |
| Healthy controls | 3.94 (1.22–12.62) | .02 | 0.80 (.25–2.50) | .70 |
| Group . | Case Before 3 Months . | . | Case After 3 Months . | . |
|---|---|---|---|---|
| ORa(95% CI) | P Value | ORa(95% CI) | P Value | |
| Comparing RSV-A IC80 high/low | ||||
| RSV cases | 1.00 | Ref (n = 47) | 1.00 | Ref (n = 93) |
| ILI controls | 3.15 (1.28–7.79) | .01 | 0.76 (.22–2.67) | .67 |
| Healthy controls | 4.22 (1.67–10.67) | .002 | 1.69 (.57–5.01) | .35 |
| Comparing RSV-B IC80 high/low | ||||
| RSV cases | 1.00 | Ref (n = 46) | 1.00 | Ref (n = 91) |
| ILI controls | 0.86 (.41–2.78) | .72 | 0.74 (.49–1.78) | .39 |
| Healthy controls | 3.94 (1.22–12.62) | .02 | 0.80 (.25–2.50) | .70 |
Abbreviations: IC80, 80% inhibitory concentration; ILI, influenza-like illness; OR, odds ratio; Ref, reference group; RSV, respiratory syncytial virus.
aOR for having high IC80 among controls compared with all RSV cases
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