Table 2.
Proportion of Patients in OBAT with UDT results positive or negative for opioids or cocaine and disclosure to nurse by time in treatment*% (n)
| Initial UDT |
1–30 days | 31–90 days | 91–180 days |
181–365 days |
>365 days | |
|---|---|---|---|---|---|---|
| Opioid use not disclosed to nurse and positive UDT |
13.2% (16/121) |
19.8% (24/121) |
20% (20/100) |
12.7% (8/63) |
15.6% (7/45) |
8.7% (2/23) |
| Opioid use disclosed to nurse and either negative or positive UDT |
15.7% (19/121) |
16.5% (20/121) |
10% (10/100) |
17.5% (11/63) |
8.9% (4/45) |
4.3% (1/23) |
| No opioid use disclosed to nurse and negative UDT |
71.1% (86/121) |
63.6% (77/121) |
70% (70/100) |
69.6% (44/63) |
75.6% (34/45) |
87% (20/23) |
| Cocaine use not disclosed to nurse and positive UDT |
10.0% (13/130) |
13.1% (17/130) |
11.9% (13/109) |
12.7% (9/71) |
8.0% (4/50) |
14.8% (4/27) |
| Cocaine use disclosed to either negative or positive UDT |
3.1% (4/130) |
3.8% (5/130) |
1.8% (2/109) |
0% | 4.0% (2/50) |
0% |
| No cocaine use disclosed to nurse and negative UDT |
86.9% (113/130) |
83.1% (108/130) |
86.2% (94/109) |
87.3% (62/71) |
88% (44/50) |
85.2% (23/27) |
*
9 patients had a prescription for an opioid in the prior 30 days and were excluded from the opioid calculations