TABLE 1.

Mean NHS sustainability survey scores (range) across Ontario Joint Centres hospital and primary care sites and Choosing Wisely priority areas from baseline (T1) to 3‐ (T2) and 6‐month (T3) follow‐up

Setting (number of sites)	CW priority area	Mean NHS sustainability score (range); number of participants			Change in mean scores between T1 and T3
		T1 (n = 67)	T2 (n = 59)	T3 (n = 47)
Six primary care teams	PPI	68% (53%–74%), n = 26	73% (66%–80%), n = 24	78% (70%–83%), n = 22	10% increase*
Team 12		53%	68%	70%	17% increase*
Team 4		67%	66%	72%	6% increase*
Team 6		68%	73%	83%	5% increase*
Team 7		70%	80%	80%	10% increase*
Team 2		73%	75%	78%	15% increase*
Team 10		74%	78%	83%	9% increase*
Three hospital teams	PPI	65% (59%–72%), n = 17	67% (64%–69%), n = 16	67% (65%–69%), n = 10	2% increase*
Team 5		63%	64%	65%	2% increase*
Team 11		72%	67%	66%	4% decrease**
Team 9		59%	69%	69%	10% increase*
Three hospital teams	BUN/Urea lab testing	70% (61%–89%), n = 11	72% (58%–85%), n = 12	88% (72%–91%), n = 9	18% increase*
Team 14		61%	58%	72%	11% increase*
Team 8		61%	72%	88%	27% increase*
Team 3		89%	85%	91%	2% increase*
Two hospital teams	Pre‐Op testing	87% (82%–92%), n = 11	83% (68%–97%), n = 7	77% (57%–97%), n = 6	10% decrease**
Team 13		82%	68%	57%	25% decrease**
Team 1		92%	97%	97%	5% increase*
One hospital team (Team 15)	IP Echo testing	79% (73%–85%), n = 2	Did not complete		Not applicable

Abbreviations: BUN, blood, urine, nitrogen; IP Echo, Internet protocol echocardiogram; NHS, National Health Service; PPI, proton pump inhibitor; Pre‐Op, preoperative.

*Represented an increase scores over time.

**Represented an decrease in scores over time.