Table 1 Patient demographics and diagnosed conditions
| Â | Year of attendance | |||||
|---|---|---|---|---|---|---|
| Â | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
Annual attendance for all respiratory infections | 997768 | 937686 | 923504 | 966739 | 813874 | 895978 |
Distribution of annual attendances number (number of patients) | Â | Â | Â | Â | Â | Â |
 1 attendance | 59.9% (319154) | 59.7% (296239) | 57.5% (269327) | 56.7% (274308) | 59.4% (253995) | 57.8% (264110) |
 2-4 attendances | 34.2% (181992) | 34.0% (168824) | 35.3% (165316) | 35.9% (173343) | 34.3% (146461) | 35.3% (161307) |
 5-8 attendances | 4.9% (26157) | 5.2% (25765) | 5.8% (27347) | 6.1% (29305) | 5.2% (22411) | 5.8% (26308) |
 >8 attendances | 1.0% (5495) | 1.1% (5359) | 1.3% (6034) | 1.3% (6517) | 1.1% (4735) | 1.2% (5549) |
Patient headcount | 532798 | 496187 | 468024 | 483473 | 427602 | 457274 |
Mean attendance per patient per year | 1.9 | 1.93 | 2.0 | 2.0 | 1.9 | 2.0 |
Mean age (years) | 41.1 | 41.2 | 42.9 | 43.8 | 44.3 | 45.6 |
Gender | Â | Â | Â | Â | Â | Â |
Female | 56.4% | 56.1% | 56.9% | 57.0% | 56.4% | 57.0% |
On government subsidy | 20.7% | 20.4% | 19.5% | 21.0% | 21.4% | 21.0% |
Chronic illness | Â | Â | Â | Â | Â | Â |
 Ischaemic heart disease | 1.6% (8440) | 1.5% (7578) | 1.5% (7219) | 1.6% (7594) | 1.5% (6324) | 1.5% (6729) |
 Hypertension | 22.8% (121304) | 21.8% (108344) | 23.2% (108397) | 23.9% (115461) | 23.9% (102066) | 24.0% (109558) |
 Stroke | 1.6% (8290) | 1.4% (7191) | 1.5% (7151) | 1.6% (7580) | 1.4% (6128) | 1.4% (6392) |
 Prostatism | 2.6% (13905) | 2.7% (13160) | 2.8% (13219) | 2.9% (14072) | 2.9% (12610) | 2.9% (13374) |
Asthma | 2.9% (15264) | 3.0% (14904) | 3.2% (14866) | 3.1% (15146) | 3.2% (13563) | 2.9% (13358) |
 COPD | 1.5% (7797) | 1.4% (7191) | 1.4% (6679) | 1.3% (6458) | 1.3% (5595) | 1.1% (5197) |
Coded conditions | Â | Â | Â | Â | Â | Â |
 H71 (otitis media) | 0.29% | 0.34% | 0.31% | 0.33% | 0.33% | 0.33% |
 R72 (streptococcal | 0.02% | 0.03% | 0.02% | 0.03% | 0.04% | 0.04% |
 pharyngitis) | 97.35% | 96.99% | 97.07% | 96.30% | 95.42% | 94.25% |
 R74 (acute URTI) | 0.15% | 0.17% | 0.20% | 0.21% | 0.26% | 0.25% |
 R75 (acute sinusitis) | 0.49% | 0.53% | 0.44% | 0.67% | 0.88% | 1.02% |
 R76 (acute tonsillitis) | 0.04% | 0.04% | 0.03% | 0.03% | 0.04% | 0.07% |
 R77 (acute laryngitis) | 0.26% | 0.33% | 0.29% | 0.27% | 0.69% | 0.97% |
 R80 (influenza) |  |  |  |  |  |  |