TABLE 4. HAPI and CAUTI Rates in NDNQI Hospitals That Do and Do Not Employ WOC Certified Nurses^a.

Rate	N	Mean	SD	25th Percentile	50th Percentile	75th Percentile
Hospitals employing WOC certified nurses
Total HAPIb	274	2.81	3.92	0.42	1.81	3.46
HAPI stage 2 or aboveb	274	2.16	2.84	0.25	1.35	2.87
HAPI stage 3 or 4b	274	0.27	0.69	0.00	0.00	0.26
CAUTIc	141	2.15	2.26	0.50	1.64	3.09
Hospitals not employing WOC certified nurses
Total HAPIb	362	3.28	5.49	0.24	1.73	4.12
HAPI stage 2 or aboveb	362	2.39	3.60	0.09	1.22	3.12
HAPI stage 3 or 4b	362	0.51	2.12	0.00	0.00	0.09
CAUTIc	265	1.85	2.80	0.12	0.83	2.39
All hospitals
Total HAPIb	636	3.08	4.88	0.35	1.76	3.68
HAPI stage 2 or aboveb	636	2.29	3.29	0.15	1.29	3.04
HAPI stage 3 or 4b	636	0.40	1.66	0.00	0.00	0.18
CAUTIc	406	1.96	2.63	0.23	1.02	2.81

Abbreviations: CAUTI, catheter-associated urinary tract infection; CCCN, certified continence care nurse; COCN, certified ostomy care nurse; CWCN, certified wound care nurse; CWOCN, certified wound ostomy continence nurse; CWON, certified wound ostomy nurse; HAPI, hospital-acquired pressure injury; NDNQI, National Database of Nursing Quality Indicators; WOC, wound, ostomy, continence.

^aHAPI rates are expressed in percentage. CAUTI rates are expressed as number of infections per 1000 catheter days.

^bHospitals employing CWOCN, CWCN, and CWONs.

^cHospitals employing CWOCN, CCCN, and COCNs.