Table 3.

Crude and adjusted odds ratios comparing odds of a self-referred admission in patients who visited a GP in the 3 days before emergency admissiona

VariableUnadjusted, N= 116 097, OR (95% CI)Adjusted, N= 116 097, OR (95% CI)
Admission diagnosis
  Ectopic0.57 (0.36 to 0.90)0.59 (0.37 to 0.94)
  Sepsis1.15 (1.06 to 1.24)1.09 (1.01 to 1.18)
  Pulmonary embolism0.88 (0.78 to 1.00)
  UTI1.14 (1.09 to 1.19)1.09 (1.04 to 1.14)
  All otherReferenceReference
Patient factors
  Sex, women versus men1.00 (0.98 to 1.02)
  Age, 10-year increase1.01 (1.01 to 1.02)0.99 (0.99 to 1.00)
Indices of Multiple Deprivation
  Most versus least deprived1.02 (0.98 to 1.06)
GP reported comorbidity
  NoneReferenceReference
  11.09 (1.05 to 1.12)1.07 (1.03 to 1.11)
  2+1.10 (1.07 to 1.12)1.05 (1.01 to 1.08)
Health service use in patients who are deteriorating within 3 days
  Number of GP consultations0.91 (0.88 to 0.93)0.91 (0.89 to 0.93)
Consultation type
  Face-to-faceReferenceReference
  Telephone1.26 (1.22 to 1.30)1.14 (1.11 to 1.18)
  Face-to-face and telephone0.90 (0.86 to 0.94)0.89 (0.85 to 0.92)
GP consultation duration
  5-minute increase0.89 (0.89 to 0.90)0.90 (0.89 to 0.91)
  Female GP0.93 (0.91 to 0.98)0.96 (0.94 to 0.98)
  Also seen by a nurse0.84 (0.80 to 0.87)0.89 (0.85 to 0.92)
Health service use in previous 12 months
  Number of GP consultations, 3–365 days1.01 (1.01 to 1.01)
Admission in previous 3-<30 days
  NoneReferenceReference
  Surgical1.16 (1.12 to 1.20)1.07 (1.04 to 1.11)
  Non-surgical1.16 (1.13 to 1.20)1.03 (1.00 to 1.06)
ED visits previous (3–365 days)
  0ReferenceReference
  11.14 (1.11 to 1.17)1.13 (1.10 to 1.16)
  21.31 (1.28 to 1.34)1.29 (1.25 to 1.33)
Previous admissions (30–<365 days)
  Elective (1+ versus 0)1.05 (1.02 to 1.07)
  Emergency (1+ versus 0)1.13 (1.12 to 1.16)0.94 (0.91 to 0.96)
  • a Logistic model using generalised estimating equations, clustering by GP practice, for 116 097 emergency admissions by 90 193 patients. ED = emergency department. OR = odds ratio. UTI = urinary tract infections.