Table 2

Practice-Level Comparison of Top Quartile Hypertension Performance

Top Quartile Hypertension
Practice-Level CharacteristicTop Quartile Achieved
n=46
Top Quartile Not Achieved
n=135
P Value
Clinicians, mean No. (SD)5 (5.4)5.6 (4.8).596
Office staff, mean No. (SD)8.6 (11.4)8.3 (7.8).917
Physician owned, No. (%)27 (35)50 (65).015
Payer mix
 Medicare, % (SD)28 (19.2)29 (14.8).776
 Medicaid, % (SD)15 (11.6)17 (11.7).477
 Commercial insurance, % (SD)37 (15.9)26 (18.3).002
 Uninsured, % (SD)8 (9.5)14 (14.7).055
Practice delivery model
 PCMH, No. (%)29 (33)60 (67).014
 FQHC, No. (%)5 (15)29 (85).179
Organizational quality improvement quality
 PAR score, mean (SD)a0.72 (0.11)0.67 (0.11).165
 KDIS leadership scoreb,c
  079
  11759
  21442
  3825
  • FQHC = federally qualified health center; KDIS = Key Driver Implementation Scale; PAR = practice adaptive reserve; PCMH = patient-centered medical home; QI = quality improvement.

  • a PAR scores are scaled from 0 to 1, with 1 being a perfect score of agreement for organizational adaptiveness.

  • b KDIS Leadership scores are scaled from 0 to 3, with 3 being a perfect score that leadership recognizes QI work as part of the daily routine and practice culture.

  • c P=.356, estimated from χ2 analysis comparing ordinal leadership scores for all practices achieving top quartile hypertension control vs not achieving top quartile hypertension control.