TABLE 4.

Rates of Blockage, CAUTI, Dislodgement and Hospitalization in Treatment and Control Groups Over Time

Outcome	Experimental		Control		p	Within groupsa (p)
	Rateb	95% CI	Rateb	95% CI		E	C
Blockage
Baseline	9.26	[6.98, 12.05]	11.50	[8.95, 14.55]	ns
First 6 months	4.28	[3.32, 5.43]	7.41	[6.14, 8.86]	< .01	< .0001	.004
Second 6 months	5.31	[4.15, 6.67]	4.45	[3.41, 5.71]	ns	< .0001	< .0001
Full 12 months	4.76	[4.00, 5.62]	6.04	[5.20, 6.99]	.03	< .0001	< .0001
CAUTI
Baseline	6.93	[5.00, 9.37]	5.50	[3.79, 7.72]	ns
First 6 months	4.37	[3.40, 5.53]	4.83	[3.82, 6.03]	ns	.02	ns
Second 6 months	5.48	[4.31, 6.87]	3.29	[2.41, 4.39]	.01	ns	.02
Full 12 months	4.89	[4.12, 5.75]	4.12	[3.42, 4.91]	ns	.05	ns
Dislodgement
Baseline	2.80	[1.63, 4.49]	4.33	[2.83, 6.35]	ns
First 6 months	2.60	[1.86, 3.52]	2.74	[1.99, 3.67]	ns	ns	ns
Second 6 months	1.45	[0.89, 2.24]	2.44	[1.69, 3.41]	ns	.05	.03
Full 12 months	2.06	[1.58, 2.65]	2.60	[2.06, 3.24]	ns	ns	.02
Hospitalizations (number)
Baseline	1.82	[0.91, 3.25]	1.50	[0.69, 2.85	ns
First 6 months	1.01	[0.58, 1.65]	0.43	[0.17, 0.89]	ns	ns	.01
Second 6 months	1.68	[1.07, 2.52]	0.22	[0.04, 0.63]	<.001	ns	.004
Full 12 months	1.32	[0.94, 1.81]	0.33	[0.16, 0.61]	<.001	ns	.001
Hospitalization (days)
Baseline	10.23	[7.84, 13.12]	17.17	[14.01, 20.82]	.01
First 6 months	7.73	[6.4, 9.23]	4.03	[3.11, 5.13]	.01	ns	< .0001
Second 6 months	8.26	[6.81, 9.93]	1.01	[0.55, 1.69]	.001	ns	< .0001
Full 12 months	7.98	[6.99, 9.06]	2.63	[2.08, 3.28]	.001	ns	< .0001

Note. C = control; E = experimental.

^aChange from baseline.

^bRate is per 1000 catheter days.