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Table 4 The effect of socio-economic status on hospital admission rates for surgical DRGs

From: The use of end-quintile comparisons to identify under-servicing of the poor and over-servicing of the rich: A longitudinal study describing the effect of socioeconomic status on healthcare

MDC   Quintile 1:quintile 2 Quintile 5: quintile 4
   Rate ratio 95% CI Rate ratio 95% CI
1 Nervous 0.99 (0.95 – 1.03) 0.92 (0.88–0.96)
2 Eye 0.90 (0.88 – 0.93) 1.09 (1.06–1.13)
3 ENTM 0.91 (0.88 – 0.94) 1.02 (0.98–1.05)
4 Respiratory* 1.09 (1.04 – 1.14) 1.03 (0.97–1.09)
5 Circulatory 0.95 (0.91 – 0.98) 0.96 (0.93–1.00)
6 Digestive 0.90 (0.87 – 0.94) 1.01 (0.98–1.05)
7 Pancreas† 1.01 (0.97 – 1.05) 0.97 (0.92–1.02)
8 Musculoskeletal 0.89 (0.86 – 0.92) 1.04 (1.01–1.08)
9 Skin 0.88 (0.84 – 0.92) 1.08 (1.03–1.13)
10 Endocrine† 0.94 (0.88 – 1.01) 1.07 (1.00–1.14)
11 Kidney*† 1.14 (1.06 – 1.23) 0.86 (0.78–0.94)
12 Male repro† 0.95 (0.89 – 1.02) 1.06 (0.98–1.13)
13 Female repro† 0.97 (0.92 – 1.03) 1.00 (0.94–1.05)
16 Blood* 0.97 (0.91 – 1.03) 0.95 (0.89–1.02)
17 Neoplastic* 0.90 (0.85 – 0.96) 1.17 (1.10–1.25)
21 Injuries* 1.07 (1.02 – 1.11) 0.97 (0.92–1.03)
22 Burns* 1.16 (1.07 – 1.26) 0.85 (0.78–0.92)
  Total 0.92 (0.89 – 0.95) 1.02 (0.99–1.06)
  1. Bold text denotes over or underservicing
  2. * questionable convergence of poisson model
  3. restricted subgroups to allow model convergence