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Table 5 Physician referral rates to specialists from different PHC practice models adjusted for patient's age, gender, patient's place of residence (urban/rural) and co-morbidity level.

From: Differences in referral rates to specialised health care from four primary health care models in Klaipeda, Lithuania

Included variables

Referrals/1000 patient years

Model A

Model B

Model C

Model D

 

N

IRR

95%CI

IRR

95%CI

IRR

95%CI

IRR

95%CI

Public practices

780

1.0

 

1.0

 

1.0

 

1.0

 

Private practices

1271

1.63***

1.41–1.88

1.63***

1.39–1.91

1.51***

1.28–1.78

1.28**

1.07–1.53

Public polyclinics

1114

1.42***

1.22–1.66

1.38***

1.16–1.64

1.28**

1.10–1.49

1.27**

1.06–1.51

Private polyclinics

1278

1.63***

1.38–1.93

1.67***

1.39–1.99

1.53***

1.26–1.85

1.19

0.98–1.45

  1. * p < .05 ** p < .01 *** p < .001
  2. IRR – incidence rate ratio, CI – confidence interval, RUB – resource utilisation band, PHC – primary health care model
  3. Model A: unadjusted
  4. Model B: adjusted for age and gender
  5. Model C: adjusted for age and gender and urban/rural
  6. Model D: adjusted for age and gender, urban/rural and level of co-morbidity (RUB)
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