Table 2 Estimated differences in observed and predicted rates and counts of intensive care admissions, 2007–2010
| Â | Influenza season | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Â | 2007 (15 weeks) | 2008 (16 weeks) | 2009 (19 weeks) | 2010 (12 weeks) | ||||
| Â | Â | Rate difference per 100,000 (95% CI) | Count difference (95% CI) | Rate difference per 100,000 (95% CI) | Count difference (95% CI) | Rate difference per 100,000 (95% CI) | Count difference (95% CI) | Rate difference per 100,000 (95% CI) | Count difference (95% CI) |
Pregnant/ postpartum women | Influenza only* | 0 | 0 | 0 | 0 | 9.93 | 7 | 1.36 | 1 |
| Â | Influenza/pneumonia^ | 5.27 (4.16 to 6.38) | 4 (3 to 4) | 3.41 (2.22 to 4.59) | 2 (2 to 3) | 13.00 (11.59 to 14.40) | 9 (8 to 10) | 1.09 (0.20 to 1.97) | 1 (0 to 1) |
|  | All respiratory^ | 8.48 (7.04 – 9.91) | 6 (5 to 7) | 4.95 (3.42 to 6.48) | 4 (2 to 5) | 14.36 (12.54 to 16.17) | 10 (9 to11) | 0.15 (−1.00 to 1.30) | 0 (−1 to 1) |
Aboriginal | Influenza only^ | −0.19 (−0.41 to 0.02) | 0 (−1 to 0) | 0.42 (0.19 to 0.65) | 1 (0 to 1) | 10.86 (10.58 to 11.13) | 17 (17 to 18) | −0.15 (−0.33 to 0.02) | 0 (−1 to 0) |
|  | Influenza/pneumonia^ | −2.94 (−4.29 to −1.60) | −5 (−7 to −2) | 7.59 (6.15 to 9.02) | 12 (10 to 14) | 17.15 (15.45 to 18.85) | 27 (25 to 30) | 2.15 (1.07 to 3.22) | 4 (2 to 5) |
|  | All respiratory^ | 3.12 (1.05 to 5.19) | 5 (2 to 8) | 7.85 (5.64 to 10.06) | 12 (9 to 16) | 17.01 (14.39 to 19.64) | 27 (23 to 31) | 0.44 (−1.22 to 2.09) | 1 (−2 to 3) |