Table 2

Multilevel analysis

Aggregated diagnosis groupsNumber of patientsNumber of patients with ≥1 ACSCORLikelihood ratio test
1. Time limited: minor245 8924904 (1.99%)0.98 (0.94 to 1.02)0.4445
2. Time limited: minor—primary infections535 84812 363 (2.31%)1.92 (1.89 to 1.96)<0.0001
3. Time limited: major48 0556275 (13.06%)3.40 (3.35 to 3.44)<0.0001
4. Time limited: major—primary infections50 8536642 (13.06%)5.34 (5.3 to 5.38)<0.0001
5. Allergies52 289683 (1.31%)0.93 (0.84 to 1.02)0.1174
6. Asthma44 2122040 (4.61%)3.29 (3.23 to 3.35)<0.0001
7. Likely to recur: discrete265 2986936 (2.61%)1.15 (1.12 to 1.19)<0.0001
8. Likely to recur: discrete—infections153 0974966 (3.24%)2.06 (2.02 to 2.1)<0.0001
9. Likely to recur: progressive37 6337762 (20.63%)5.57 (5.53 to 5.61)<0.0001
10. Chronic medical: stable463 51316 291 (3.51%)2.64 (2.6 to 2.69)<0.0001
11. Chronic medical: unstable151 41315 164 (10.01%)7.78 (7.74 to 7.82)<0.0001
12. Chronic specialty: stable—orthopaedic35 1991418 (4.03%)1.09 (1.02 to 1.16)0.0163
13. Chronic specialty: stable—ear, nose, throat22 348540 (2.42%)0.92 (0.81 to 1.02)0.1152
14. Chronic specialty: stable—eye38 0591161 (3.05%)0.84 (0.76 to 0.91)<0.0001
16. Chronic specialty: unstable—orthopaedic12 006350 (2.92%)0.88 (0.75 to 1.02)0.0736
17. Chronic specialty: unstable—ear, nose, throat218070 (3.21%)2.02 (1.72 to 2.31)<0.0001
18. Chronic specialty: unstable—eye33 4791343 (4.01%)0.99 (0.92 to 1.06)0.7590
20. Dermatological98 7201451 (1.47%)0.84 (0.77 to 0.9)<0.0001
21. Injuries/adverse effects: minor78 9731760 (2.23%)0.90 (0.84 to 0.96)0.001
22. Injuries/adverse effects: major79 5683490 (4.39%)1.11 (1.06 to 1.16)<0.0001
23. Psychosocial: time limited, minor71 2063563 (5.00%)2.09 (2.04 to 2.14)<0.0001
24. Psychosocial: recurrent or persistent, stable104 6052872 (2.75%)1.08 (1.02 to 1.13)0.0055
25. Psychosocial: recurrent or persistent, unstable30 6672303 (7.51%)1.77 (1.71 to 1.83)<0.0001
26. Signs/symptoms: minor281 6366227 (2.21%)0.87 (0.83 to 0.91)<0.0001
27. Signs/symptoms: uncertain391 1949869 (2.52%)1.15 (1.11 to 1.18)<0.0001
28. Signs/symptoms: major164 0598095 (4.93%)1.60 (1.56 to 1.64)<0.0001
29. Discretionary150 9224324 (2.87%)1.01 (0.97 to 1.06)0.5712
30. See and reassure27 9101247 (4.47%)1.20 (1.12 to 1.27)<0.0001
31. Preventive/administrative851 42517 603 (2.07%)1.61 (1.57 to 1.66)<0.0001
32. Malignancy28 0331643 (5.86%)0.92 (0.85 to 0.99)0.0208
33. Pregnancy31 130159 (0.51%)1.01 (0.84 to 1.19)0.8965
34. Dental52 218793 (1.52%)0.91 (0.82 to 0.99)0.0248

  • Impact of the morbidity variables on hospital admissions for ambulatory care sensitive conditions (ACSCs). On recent versions of the Johns Hopkins ACG case-mix system, ADGs 15 and 19 are no longer in use.