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Table 1 IPD Standardised Incidence Ratios (SIR) for winter 2003/2004 by age-band and sex

From: The impact and effectiveness of pneumococcal vaccination in Scotland for those aged 65 and over during winter 2003/2004

Age group
(years)
Observed
cases
Expected
cases
SIR 95% CI Chi-
square
test P-
value
Equivalent
annual
incidence
rates/
100,000
65+       
Males 69 106 65.2 50.7 – 82.6 <0.001** 30.85
Females 101 150 67.1 54.7 – 81.6 <0.001** 31.33
65+ All 170 256 66.4 56.8 – 77.2 <0.001** 31.13
Males       
0–4 36 30 118.4 82.9 – 164.1 0.310 40.04
5–34 37 25 150.2 105.7 – 207.2 0.013* 5.79
35–49 37 39 95.0 66.8 – 131.1 0.757 9.98
50–64 42 44 95.8 69.0 – 129.56 0.780 14.03
65–74 31 41 74.8 50.8 – 106.3 0.105 22.74
75+ 38 65 58.8 41.6 – 80.8 <0.001** 43.49
Females       
0–4 27 18 152.2 100.2 – 221.8 0.028 31.41
5–34 32 16 204.8 140.0 – 289.4 <0.001* 5.05
35–49 26 20 129.4 84.4 – 189.8 0.188 6.62
50–64 35 42 83.9 58.4 – 116.8 0.298 11.16
65–74 26 43 60.3 39.3 – 88.4 0.009** 15.74
75+ 75 107 70.0 55.1 – 87.8 0.002** 47.72
  1. * Significant increase from expected incidence rate produced by mode.
  2. ** Significant decrease from expected incidence rate produced by model