Table 3. Pearson correlation coefficients between time series in respiratory pathogen counts, the Netherlands, 1999–2004*†.
| Pathogen | S. pneumoniae | RSV | Influenza A | Influenza B | RV | PIV | Adenovirus | Enterovirus | Mycoplasma pneumoniae | Bordetella pertussis |
|---|---|---|---|---|---|---|---|---|---|---|
| S. pneumoniae | 1.00 | 0.35 | 0.51 | 0.36 | NS | 0.32 | 0.32 | –0.44 | 0.21 | −0.31 |
| RSV | 1.00 | 0.23 | NS | 0.30 | 0.13 | 0.21 | –0.30 | 0.19 | NS | |
| Influenza A | 1.00 | 0.36 | NS | 0.12 | 0.24 | –0.39 | 0.16 | −0.25 | ||
| Influenza B | 1.00 | NS | NS | NS | –0.30 | 0.25 | −0.21 | |||
| RV | 1.00 | NS | 0.21 | NS | NS | Ns | ||||
| PIV | 1.00 | NS | –0.19 | NS | NS | |||||
| Adenovirus | 1.00 | –0.21 | NS | −0.14 | ||||||
| Enterovirus | 1.00 | −0.15 | 0.21 | |||||||
| M. pneumoniae | 1.00 | NS | ||||||||
| B. pertussis | 1.00 |
*S. pneumoniae, Streptococcus pneumoniae; RSV, respiratory syncytial virus; RV, rhinovirus; PIV, parainfluenza virus; NS, nonsignificant. Correlations >0.50 in boldface; p value >0.05. †Unlagged.