Skip to main content
. Author manuscript; available in PMC: 2019 Aug 6.
Published in final edited form as: J Emerg Med. 2015 Sep 28;49(6):974–983. doi: 10.1016/j.jemermed.2015.03.004

Table 1.

Hospital Visit Information During Twelve-month Baseline Period Prior to Intervention Activation*

Intervention (n = 4544) Control (n = 4515) Total (n = 9059) p-Value

Primary complaint, n (%) 0.17
 Neck pain 511 (11.3) 485 (10.7) 996 (11.0)
 Headache or migraine 325 (7.2) 543 (12.0) 868 (9.6)
 Chronic pain 24 (0.5) 29 (0.6) 53 (0.6)
 Generalized pain 492 (10.8) 388 (8.6) 880 (9.7)
 Other 3192 (70.3) 3070 (68.0) 6262 (69.1)
Admission diagnosis, n (%) 0.21
 Neck pain 353 (7.8) 322 (7.1) 675 (7.5)
 Headache or migraine 293 (6.5) 515(11.4) 808 (8.9)
 Chronic pain 50 (1.1) 52 (1.2) 102 (1.1)
 Generalized pain 409 (9.0) 304 (6.7) 713(7.9)
 Other 3439 (75.7) 3322 (73.6) 6761 (74.6)
Payer type, n (%) 0.10
 Commercial/managed care 408 (9.0) 469 (10.4) 877 (9.7)
 Medicaid 3122 (68.7) 3047 (67.5) 6169(68.1)
 Medicare 976 (21.5) 977 (21.6) 1953(21.6)
 Other 38 (0.8) 22 (0.5) 60 (0.7)
ED visits 0.64
 Mean (SD) 22.72 (12.4) 21.92 (8.7) 22.31 (10.6)
Prescribed opioids 0.04
 Mean (SD) 0.26 (0.5) 0.28 (0.5) 0.27 (0.5)

ED = emergency department.

*

Percentages are column based.

International Classification of Diseases, Ninth Revision codes. Neck Pain: 723, 723.1 722.7, 722.71, 722, 722.1, 724, 724.2, 724.5; Headache/Migraine: 307.81, 339, 339.01, 339.02, 339.05, 339.1, 339.11, 339.12, 339.2, 339.21, 339.22, 339.3, 339.4, 339.42, 339.43, 339.44, 339.8, 339.81, 339.82, 339.83, 339.84, 339.85, 339.89, 784, 346, 346.01, 346.02, 346.03. 346.1, 346.11. 346.12, 346.13, 346.2, 346.21, 346.22, 346.23, 346.3, 346.31, 346.32, 346.33, 346.4, 346.41, 346.42, 346.43, 346.5, 346.51, 346.52, 346.53, 346.6,346.61, 346.62, 346.63, 346.7, 346.71, 346.72, 346.73, 346.8, 346.81, 346.82, 346.83, 346.9,346.91, 346.92, 346.93; Chronic Pain: 338.2, 338.21, 338.22, 338.28, 338.29, 339.3, 338.4; Generalized Pain: 338, 338.1, 338.11, 338.12, 338.18, 338.19, 780.96, 789, 789.07.

Other includes: Workers Compensation, North Carolina agencies/correctional facilities, bankruptcy, clinical denial, Civilian Health and Medical Program of the Uniformed Services (CHAMPUS), estates, facility billing, liabilities, Medicaid pending, management review, small claims, technical denial, VIP.