Table 2.
The annual number of first-recorded surgical interventions per 104 inhabitants and the average annual increase (rate ratio) from 2004 through 2010 in Stockholm, Sweden
Sex Age group | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | Rate ratio per year (95% CI)a | p-value |
---|---|---|---|---|---|---|---|---|---|
Women | |||||||||
≤ 17 | 0.8 | 1.9 | 2.2 | 1.6 | 3.1 | 1.7 | 1.6 | 1.06 (0.94–1.19) | 0.4 |
18–39 | 1.6 | 1.6 | 1.3 | 1.8 | 1.4 | 1.9 | 2.0 | 1.05 (1.02–1.08) | < 0.01 |
40–64 | 10.8 | 10.0 | 9.9 | 10.7 | 11.1 | 16.0 | 14.2 | 1.07 (1.03–1.12) | < 0.01 |
65–79 | 28.1 | 25.0 | 21.7 | 23.3 | 28.1 | 32.7 | 32.9 | 1.05 (1.01–1.09) | 0.02 |
≥ 80 | 19.5 | 18.0 | 15.4 | 15.1 | 20.6 | 22.6 | 24.2 | 1.05 (1.01–1.10) | 0.02 |
Men | |||||||||
≤ 17 | 3.5 | 5.0 | 4.9 | 4.9 | 6.5 | 6.0 | 4.5 | 1.05 (0.98–1.12) | 0.2 |
18–39 | 2.3 | 1.8 | 1.6 | 1.8 | 1.8 | 1.8 | 2.4 | 1.01 (0.94–1.08) | 0.8 |
40–64 | 2.9 | 3.7 | 3.5 | 3.3 | 3.8 | 5.4 | 4.3 | 1.08 (1.03–1.13) | < 0.01 |
65–79 | 4.4 | 4.4 | 4.9 | 3.7 | 3.9 | 5.6 | 5.8 | 1.05 (1.01–1.08) | < 0.01 |
≥ 80 | 3.2 | 3.2 | 1.7 | 3.1 | 2.1 | 2.1 | 2.7 | 0.95 (0.90–1.01) | 0.1 |
All patients | 5.6 | 5.6 | 5.3 | 5.5 | 6.3 | 7.6 | 7.2 | 1.06 (1.03–1.08) | < 0.01 |
a Analyzed with Poission regression.