Demographic data of cohort and risk factors for developing pneumonia
| Pneumonia (n=19) | No pneumonia (n=19) | Odds ratio (OR), p value | |
| Sex (F:M) | 7:12 | 7:12 | NS |
| Mean age (years) | 29 | 28 | p=0.511-150 |
| Mean no of spots in chest box | 129 | 91 | p=0.131-150 |
| Mean hospital admission (days) | 6.4 | 3.1 | p=0.0121-150 |
| Respiratory symptoms at presentation | 18 | 9 | OR=18 (95% CI 2 to 165); p=0.0061-151 |
| Smoker | 16 | 6 | OR=11.5 (95% CI 3.3 to 40.4); p=0.0031-151 |
| Any contact with chickenpox | 16 | 10 | OR=4.8 (95% CI 1.0 to 22.1); p=0.081-151 |
| History of contact with own child | 14 | 5 | OR=7.8 (95% CI 1.8 to 33.2); p=0.0091-151 |
| Pregnancy | 2 (both 3rd trimester) | 2 (1st and 3rd trimester) | |
| Admission to ITU | 3 | 0 |