Between 2012 and 2015
The average number of OTO US billed did not change ($51.18 ± 9.69 vs 50.71 ± 8.36, p<0.94). Submitted charges were less over time ($253.80 ± 19.45 vs $104.30 ± 3.16, p<0.001). Reimbursement also declined ($83.18 ± 2.79 vs $77.06 ± 2.49, p<0.001). The number of superusers did not change (22 vs 27, p<0.90).
The average number of GS US billed did not change (39.20 ± 5.11 vs 45.14 ± 6.18, p<0.15). Submitted charges did not change over time ($233.52 ± 16.00 vs $242.34 ± 16.33 p<0.44). Reimbursement declined ($73.05 ± 4.19 vs $65.73 ± 3.91, p<0.01). The number of superusers did not change (11 vs 22, p<0.08).
The average number of ENDO US billed did not change (51.18 ± 9.69 vs 50.71 ± 8.36, p<0.94). Submitted charges were less over time ($253.80 ± 19.45 vs $104.30 ± 3.16, p<0.001). Reimbursement also declined ($83.18 ± 2.79 vs $77.06 ± 2.49, p<0.001). The number of superusers did not change (22 vs 27, p<0.90).
The average number of DR US billed did not change (51.18 ± 9.69 vs 50.71 ± 8.36, p<0.94). Submitted charges were less over time ($253.80 ± 19.45 vs $104.30 ± 3.16, p<0.001). Reimbursement also declined ($83.18 ± 2.79 vs $77.06 ± 2.49, p<0.001). The number of superusers did not change (22 vs 27, p<0.90).
The number of those users charging facility vs nonfacility charges did not change for DR (8831/12682,70.0%, vs 9509/13659, 70%, p<0.98), ENDO (80/1241, 6.4%, versus 112/1344, 8.3%, p<0.07), OTO (13/244, 5.3%, versus 19/266, 7.1%, p<0.55) and GS (36/191, 18.8%, versus 46/206, 22.0%, p<0.40).