Table 5.

Impact of Texas’s Pill mill law on patients stratified by baseline opioid utilization levels.

	Quartiles of baseline opioid utilization				Highest baseline opioid utilization (percentile)
	0–25th	26–50th	51–75th	76–100th	90th	95th	97th	99th
Morphine equivalent dose, mean (mg)
Impact on level	0.07	0.05	0.17	−0.11**	−0.08	−0.48***	−0.57***	1.46***
Impact on trend	−0.14	−0.83**	−0.83	−0.51	−0.43	−0.67	−0.66	−1.52***
Opioid volume (kg)
Impact on level	−0.05***	−0.16**	0.40	−4.41***	−1.23***	−0.91***	−0.93***	−0.35
Impact on trend	−0.14	−0.37	−1.28**	−8.07	−1.51	−0.87	−1.40	−1.75***
Number of opioid prescriptions, thousands
Impact on level	−0.80***	−1.37***	−0.53***	−1.73***	−0.87***	−0.31***	−0.43***	−0.27***
Impact on trend	−1.12	−1.40	−3.16	−6.35	−1.28	−0.56	−0.65	−0.36
Quantity of opioid pills dispensed, thousands
Impact on level	−3.85***	−15.9**	25.0	−6.62***	−22.8***	−24.7***	−27.0***	−20.3***
Impact on trend	−23.8	−37.1	−125***	−510	−119	−58.7	−66.9	−39.7

^**p < 0.05.

^***p < 0.01.