Table 2. Crude, CMCS-adjusted, other variable-adjusted and CMCS and other variable-adjusted odds ratios or rate ratios of process and outcome measure differences between PAs and GPs 24
Process or outcome measure 
(as defined elsewhere24)
Crude/univariate finding OR or RR (95% CI)
GP (reference group)PAOR or RRUnadjustedAdjusted for CMCS onlyAdjusted for other variables of relevancea, but not CMCSFully adjusted: CMCS and other variables of relevance
Processes% cases
General advice22.951.4OR3.56 (2.58 to 4.29)3.58 (1.82 to 7.01)3.30 (1.68 to 6.47)3.30 (1.69 to 6.46)
Advice on medication management12.617.1OR1.43 (1.12 to 1.82) b 1.62 (1.05 to 2.49)1.72 (1.08 to 2.72)
Advice on over the counter medication9.520.5OR2.45 (1.92 to 3.18)  b 6.63 (0.56 to 4.69)1.74 (0.62 to 4.89)
Mean per case
Number of diagnostic tests0.340.36RR1.06 (0.82 to 1.38)1.11 (0.86 to 1.43)1.07 (0.90 to 1.29)1.08 (0.89 to 1.30)
Number of referrals0.110.9RR0.84 (0.57 to 1.22)
 b
0.94 (0.63 to 1.41)0.95 (0.63 to 1.43)
Number of prescriptions0.780.89RR1.18 (0.86 to 1.58)1.17 (0.88 to 1.55)1.16 (0.86 to 1.56)1.16 (0.87 to 1.53)
Number of procedures0.10.1RR0.76 (0.32 to 1.84)
 c

c

c
Outcome
Reconsultation for the same or a
linked problem at the practice or urgent care facility within 14 days of the index consultation
0.290.32RR1.03 (0.75 to 1.43)1.09 (0.77 to 1.54)1.12 (0.81 to 1.54)1.25 (0.91 to 1.72)
  • aWith an independent association with outcome (see full report for detail).24 bCould not be estimated in SPSS. cNumbers too small for further adjustment. CMCS = case-mix classification system. OR = odds ratio. RR = risk ratio.