Adults with chickenpox pneumonia; mortality according to chemotherapy intervention
| Therapeutic category | Patients n | Died | Mortality rate % | OR (95% CI) |
| Acyclovir# | 179 | 11 | 6.1 | |
| Others¶ | 6 | 0 | 0 | |
| No treatment | 89 | 17 | 19.1 | 3.6 (1.63–7.95)*** |
| Total | 269+ | 28 | 10.4 |
Data are presented as n unless otherwise stated
OR: odds ratio
CI: confidence interval
#: reference group
¶: γ-globulin, adenosine arabinoside, idoxuridine, cytosine arabinoside
+: 62 patients with Varicella pneumonia were pregnant. In one study 41, pregnancy was not stated
***: p<0.001