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. 2019 Mar 18;34(8):1381–1382. doi: 10.1007/s11606-019-04942-7

Table 1.

Mean, Adjusted Per-Member-Per-Month Expenditures for Spine Care Patients in the Intervention and Control Groups for Baseline Through Year 3, and Percentage Change from Baseline to Year 3, for Four Categories of Care: All Care, Spine Surgery Care, Opioids, and Manual Care. Percent Changes from Baseline Are Statistically Significant at p < 0.001

Care category Group Per-member-per-month expenditures Percentage change from baseline to Year 3 (%)
Baseline Year 1 Year 2 Year 3
All spine care Intervention $24.61 $21.35 $19.57 $17.64 − 28.3
Control $22.13 $23.80 $20.05 $20.55 − 7.2
Spine surgery Intervention $8.89 $7.08 $5.86 $5.01 − 43.6
Control $6.78 $9.86 $6.21 $6.84 0.01
Opioid treatment Intervention $1.46 $1.81 $1.94 $1.92 31.5
Control $1.17 $2.21 $1.53 $1.42 21.4
Manual care Intervention $3.91 $4.24 $4.48 $4.28 9.5
Control $3.79 $3.97 $4.43 $4.53 19.5