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Table 3 Distribution of predictors in 2008 stratified by number of visits in 2009 and 2010

From: A practical method for predicting frequent use of emergency department care using routinely available electronic registration data

  Visits in 2009 & 2010 Total (Patients No.)
0 1–7 8–15 > = 16
Year 2008 patients (No.) 587523 623355 47782 13707 1272367
Age (Years) (Patients, %)
15–24 44.1 49.2 5.2 1.5 206230
25–44 45.9 47.4 4.8 1.9 346349
45–64 50.5 44.9 3.5 1.1 262691
5–14 51.6 46.8 1.4 0.1 137222
<5 43.7 53.6 2.5 0.2 131743
> = 65 40.6 55.7 3.3 0.4 188132
Sex (Patients, %)
Male 49.6 46.6 2.9 0.8 590065
Female 43.2 51.1 4.5 1.3 682302
Visits in 2008 (Patients, %)
<4 49.2 48.2 2.3 0.3 1167719
4–7 14.6 62.8 17.8 4.8 85359
8–15 6.2 37.9 31.2 24.7 15964
> = 16 2.7 13.1 19.9 64.3 3325
Chief complaints in 2008 (Visits, %)
RESP 62.9 28.7 5.1 3.3 976602
GI 32.2 50.6 9.6 7.6 390479
NEURO 34.4 51.6 8.4 5.6 248617
SKIN 35.8 54.0 7.2 3.1 105329
LYMP 33.3 52.8 8.9 5.1 65627
UDI 33.5 56.3 7.0 3.2 207325
PAIN 34.7 49.4 9.1 6.9 953772
ILI 33.0 54.3 8.1 4.6 429244
DENTAL 24.7 51.5 13.8 10.0 41990
MUSC 37.8 49.2 7.9 5.1 654713
ETOH 33.7 43.8 11.1 11.4 12286
OTHER 37.3 50.0 7.8 4.8 353451
Distance (Miles) (Visits, %)
<=5 34.8 63.1 1.6 0.4 952546
5–20 42.7 55.9 0.8 0.6 618869
>20 56.5 41.9 0.4 1.2 173725