Volume 28, Number 2—February 2022
Research
Burden of Tick-Borne Encephalitis, Sweden
Daniel Slunge
, Anders Boman, and Marie Studahl
, Anders Boman, and Marie Studahl
Table 1
Healthcare use and sick leave days for persons with TBE and the matched referent cohort, Sweden, 1998–2014*
| Variable | Within 3 y before TBE | After TBE |
||
|---|---|---|---|---|
| Within 1 y | Within 3 y | Within 5 y | ||
| Days hospitalized | ||||
| Case cohort, mean (no.) | 1.35 (2,228) | 11.50 (2,274) | 12.73 (1,863) | 14.69 (1,466) |
| Referent cohort, mean (no.) | 2.07 (6,684) | 1.12 (6,822) | 3.27 (5,589) | 5.64 (4,404) |
| Difference in means |
0.28 |
10.38† |
9.46† |
9.05† |
| Specialist outpatient visits | ||||
| Case cohort, mean (no.) | 3.92 (2,228) | 3.65 (2,270) | 6.78 (1,863) | 9.45 (1,466) |
| Referent cohort, mean (no.) | 3.31 (6,684) | 1.22 (6,810) | 3.53 (5,583) | 5.74 (4,398) |
| Difference in means |
0.62† |
2.42† |
3.25† |
3.71† |
| Days of sick leave | ||||
| Case cohort, mean (no.) | 63.3 (1406) | 66.0 (1,434) | 122.6 (1,169) | 144.0 (902) |
| Referent cohort, mean (no.) | 51.4 (2765) | 10.7 (2,802) | 45.9 (2,286) | 78.1 (1,793) |
| Difference in means |
11.82‡ |
55.32† |
76.66† |
65.85† |
| Primary healthcare visits | ||||
| Case cohort, mean (no.) | 9.19 (280) | 6.44 (276) | 14.43 (228) | 23.29 (175) |
| Referent cohort, mean (no.) | 10.55 (779) | 3.90 (763) | 11.54 (638) | 19.55 (502) |
| Difference in means | −1.36 | 2.54† | 2.89§ | 3.74 |
*TBE, tick-borne encephalitis. †Significance at the 1% level. ‡Significance at the 5% level. §Significance at the 10% level.
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