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Table 3 The effect of socio-economic status on hospital admission rates for medical 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

1.05

(1.00 – 1.11)

0.96

(0.90–1.02)

2

Eye*

1.21

(1.15 – 1.28)

1.06

(0.99–1.15)

3

ENTM

0.87

(0.83 – 0.91)

1.17

(1.12–1.24)

4

Respiratory

1.15

(1.10 – 1.20)

0.92

(0.86–0.99)

5

Circulatory

1.02

(0.99 – 1.06)

0.96

(0.92–1.00)

6

Digestive

0.93

(0.89 – 0.96)

1.11

(1.06–1.15)

7

Pancreas*†

1.23

(1.16 – 1.29)

0.90

(0.83–0.96)

8

Musculoskeletal

1.01

(0.97 – 1.05)

1.01

(0.97–1.06)

9

Skin

1.19

(1.14 – 1.26)

1.06

(0.99–1.14)

10

Endocrine*†

1.23

(1.14 – 1.33)

0.93

(0.83–1.05)

11

Kidney*†

1.47

(1.32 – 1.64)

0.65

(0.57–0.75)

12

Male repro†

0.92

(0.85 – 1.00)

1.12

(1.04–1.21)

13

Female repro†

1.18

(1.09 – 1.29)

1.06

(0.96–1.16)

16

Blood

0.93

(0.89 – 0.98)

0.90

(0.85–0.95)

17

Neoplastic

0.89

(0.85 – 0.92)

1.11

(1.07–1.16)

21

Injuries

1.13

(1.08 – 1.18)

1.02

(0.96–1.08)

22

Burns*

1.18

(1.09 – 1.28)

0.90

(0.83–0.98)

 

Total

1.03

(0.99 – 1.07)

1.03

(0.99–1.09)

  1. Bold text denotes over or underservicing
  2. * questionable convergence of poisson model
  3. † restricted subgroups to allow model convergence
  4. MDC 7 age ≥ 20 years
  5. MDC 10 age ≥ 25 years and 0–2 comorbid conditions
  6. MDC11 age ≥ 30
  7. MDC12 age range 30–64 years and sex male
  8. MDC13 age range 30–64 years and sex female