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. Author manuscript; available in PMC: 2023 Jun 1.
Published in final edited form as: Med Care. 2022 Mar 30;60(6):423–431. doi: 10.1097/MLR.0000000000001713

Table 3.

Follow-up Utilization and Costs, adjusted for baseline utilization and cost

Total Utilization Pain Related Utilization
Treatment Control Treatment Control
Mean (95% CI) Mean (95% CI) Mean (95% CI) Mean (95% CI)
Encounters with pain-related procedures1
Pain-related injections NA NA 0.58 (0.49, 0.68) 0.58 (0.49, 0.69)
Pain-related surgeries NA NA 0.06 (0.04, 0.1) 0.09 (0.06, 0.14)
Pain-related imaging NA NA 1.55 (1.35, 1.77) 1.72 (1.51, 1.96)
Ambulatory visits
 Primary care 4.91 (4.59, 5.24) 4.82 (4.51, 5.16) 3.03 (2.83, 3.26) 2.89 (2.69,3.11)
 Physical therapy3 1.86 (1.48, 2.34) 1.11 (0.88, 1.41) 1.62 (1.27, 2.07) 0.9 (0.7, 1.17)
 Pain clinic 0.5 (0.39, 0.65) 0.72 (0.57, 0.92) 0.46 (0.36, 0.59) 0.65 (0.51,0.83)
 Other specialty medical care4 8.19 (7.5,8.94) 8.99 (8.23, 9.82) 2.99 (2.67, 3.34) 3.17 (2.83,3.54)
 Mental health 0.73 (0.56, 0.96) 0.98 (0.75, 1.29) 0.04 (0.02, 0.07) 0.06 (0.04,0.09)
 Complementary and alternative medicine (CAM)5 0.21 (0.11, 0.43) 0.23 (0.11, 0.46) 0.17 (0.08, 0.35) 0.22 (0.11,0.45)
 ED, Urgent care, and Observation Beds 1.13 (0.98, 1.31) 1.35 (1.17, 1.55) 0.57 (0.48, 0.68) 0.72 (0.61,0.85)
 Hospital ambulatory visits 0.58 (0.47, 0.73) 0.72 (0.58, 0.9) 0.25 (0.19, 0.34) 0.24 (0.17,0.32)
 Same day surgeries 0.26 (0.2, 0.33) 0.25 (0.2, 0.32) 0.13 (0.1, 0.18) 0.16 (0.12,0.21)
 Home health 1.36 (0.98, 1.9) 1.3 (0.93, 1.82) 0.62 (0.43, 0.89) 0.56 (0.39,0.81)
Total Ambulatory visits 20.85 (19.4, 22.41) 21.59 (20.07, 23.22) 10.42 (9.62, 11.28) 10.11 (9.33, 10.96)
Telephone or email encounters 24.04 (22.57, 25.6) 23.18 (21.75, 24.71) 2.78 (2.51, 3.08) 2.81 (2.53,3.11)
Hospital stays 6 0.22 (0.17, 0.28) 0.28 (0.22, 0.36) 0.07 (0.05, 0.1) 0.09 (0.07,0.13)
Hospital days6 0.86 (0.59, 1.26) 1.43 (0.98, 2.09) 0.22 (0.13, 0.39) 0.48 (0.28,0.82)
Total Pharmacy Dispenses 50.45 (48.53, 52.44) 52.22 (50.21, 54.3) NA NA
Opioid Pain Dispenses NA NA 13.38 (12.76, 14.02) 13.85 (13.21, 14.52)
Non-Opioid Pain Dispenses NA NA 11.12 (10.4, 11.89) 11.81 (11.04, 12.63)
Total Cost Pain Related Cost
Treatment Control Treatment Control
Mean (95% CI) Mean (95% CI) Mean (95% CI) Mean (95% CI)
Ambulatory visits
 Primary care $805 ($749, $860) $807 ($751, $863) $548 ($509, $588) $525 ($486, $565)
 Physical therapy3 $245 ($196, $293) $145 ($95, $194) $202 ($155, $249) $122 ($75, $170)
 Pain clinic $130 ($98, $162) $150 ($118, $183) $123 ($93, $153) $141 ($111, $172)
 Other specialty medical care4 $1508 ($1324, $1693) $1772 ($1585, $1959) $551 ($477, $626) $582 ($507, $657)
 Mental health $224 ($169, $280) $224 ($167, $280) $11 ($5, $17) $17 ($11, $24)
 Complementary and alternative medicine (CAM)5 $84 ($36, $132) $82 ($34, $131) $64 ($25, $103) $82 ($42, $121)
 ED, Urgent care, and Observation Beds $1235 ($893, $1577) $979 ($633, $1325) $992 ($693, $1292) $685 ($381, $988)
 Hospital ambulatory visits $827 ($483, $1172) $665 ($316, $1013) $309 ($205, $413) $301 ($196, $407)
 Same day surgeries $417 ($307, $528) $431 ($318, $543) $200 ($125, $275) $264 ($188, $340)
 Home health $355 ($247, $463) $318 ($209, $428) $159 ($100, $217) $131 ($71, $190)
Total Ambulatory visit cost $5869 ($5206, $6532) $5535 ($4864, $6206) $3175 ($2787, $3563) $2835 ($2442, $3228)
Telephone or email encounters $392 ($365, $419) $395 ($368, $423) $51 ($45, $57) $53 ($47, $58)
Hospital stays 6 $4546 ($1936, $7156) $7891 ($5249, $10533) $1937 ($−59, $3933) $3588 ($1567, $5608)
Total Pharmacy Dispenses $10373 ($9153, $11592) $12024 ($10790, $13258) NA NA
Opioid Dispenses NA NA $1389 ($1292, $1486) $1452 ($1353, $1550)
NonOpioid Pain Dispenses NA NA $2987 ($2704, $3271) $3268 ($2981, $3555)
Total Cost $21372 ($18114, $24630) $25648 ($22350, $28946) $9395 ($7216, $11574) $11343 ($9137, $13549)
1.

Pain-related procedures are identified by CPT, HCPCS and ICD-9-PCS or ICD-10-PCS codes. Pain-related surgeries or injections are also included in ambulatory and hospital stays categories (double counted; do not sum).

2.

In-person health care encounters with a pain-related ICD-9-CM or ICD-10-CM diagnostic code

3.

Physical therapy includes Physical Therapy, Occupational Therapy and Physiatry visits

4.

Specialty medical care includes in-person visits to any non-Primary care department that is not included in the table

5.

Complementary and Alternative Medicine includes Acupuncture, Chiropractic, Holistic Health, Naturopathy, and Osteopathy

6.

Pain-related hospitalizations had a primary (or principal) pain-related diagnostic code NA = not applicable