Table 2.
Incidence Rates (IR) of community-acquired pneumonia (CAP), by age group and sex, during the study period.
| Sex | Male | Female | |||
| Age group | No. CAP | IRa(95% CI)b | No. CAP | IRa(95% CI)b | P-valuec |
| 65–74 yrs | |||||
| Hospitalised CAP | 100 | 11.09 (9.04–13.47) | 45 | 4.26 (3.11–5.69) | 0.000 |
| Outpatient CAP | 27 | 2.99 (1.98–4.35) | 23 | 2.18 (1.38–3.26) | 0.257 |
| All CAP | 127 | 14.09 (11.76–16.73) | 68 | 6.43 (5.00–8.14) | 0.000 |
| 75–84 yrs | 0.000 | ||||
| Hospitalised | 90 | 19.85 (16.00–24.34) | 60 | 8.71 (6.66–11.19) | 0.030 |
| Outpatient | 24 | 5.29 (3.40–7.86) | 19 | 2.76 (1.56–4.30) | 0.000 |
| All CAP | 114 | 25.15 (20.80–30.13) | 79 | 11.47 (9.10–14.27) | |
| 85 yrs or more | |||||
| Hospitalised | 29 | 28.97 (19.50–41.32) | 31 | 16.36 (11.15–23.13) | 0.234 |
| Outpatient | 10 | 9.99 (4.80–18.30) | 15 | 7.92 (4.44–13.02) | 0.575 |
| All CAP | 39 | 38.96 (27.86–52.85) | 46 | 24.27 (17.83–32.23) | 0.026 |
| Overall age groups | |||||
| Hospitalised | 219 | 15.05 (13.14–17.16) | 136 | 7.03 (5.90–8.30) | 0.000 |
| Outpatient | 61 | 4.19 (3.21–5.38) | 57 | 2.94 (2.23–3.81) | 0.054 |
| All CAP | 280 | 19.24 (17.08–21.60) | 193 | 9.97 (8.62–11.47) | 0.000 |
aIncidence Rates are estimated for 1,000 person-year.
bCI denotes confidence interval
cP-values were calculated using Chi-squared test.