Table 2.
Univariable meta‐regression models to predict influenza type B detection rate among the elderly
| Variable | Level | Estimate (95% CI) | P | R 2, % |
|---|---|---|---|---|
| Latitude | – | −0.0008 (−0.0032, 0.0016) | .50 | 0 |
| Hemisphere | Northern | Ref | – | 10.7 |
| Southern | −0.0919 (−0.1817, −0.0021) | .045 | ||
| Setting | Outpatient only | Ref | – | 31.9 |
| Inpatient only | −0.0457 (−0.1370, 0.0456) | .33 | ||
| Inpatient and outpatient/SARI | −0.1147 (−0.1806, −0.0488) | <.001 | ||
| Pandemic period included | No | Ref | – | 0 |
| Yes | 0.0277 (−0.0617, 0.1171) | .54 | ||
| Number of seasons | – | −0.094 (−0.0178, −0.0010) | .028 | 12.6 |
| Weighted % isolates among the elderly | – | −0.0069 (−0.0150, 0.0011) | .088 | 6.4 |