TABLE 2.

Summary of Changes in HIV-TB Process Indicators Used in the Quality Improvement Intervention to Integrate HIV-TB Services in KwaZulu-Natal, South Africa

HIV-TB Process Outcomes	Proportions (95% CI)		AbsoluteDifference	P Value	Clinics^a(N=20)	PDSA CyclesMean, (Range)
HIV-TB Process Outcomes	Baseline	Post-QI Intervention	AbsoluteDifference	P Value	Clinics^a(N=20)	PDSA CyclesMean, (Range)
HTS	84.8 (75.5,95.3)	94.5 (89.3,99.9)	9.7	.110	12	3 (1–7)
TB screening	76.2 (65.4, 88.9)	85.2 (78.7,92.2)	9.0	.040^b	17	4 (1–9)
IPT initiation in new ART patients	15.9 (4.8,52.5)	76.4 (66.3,88.1)	60.5	.019^b	20	4 (1–11)
ART initiation in HIV-TB patients	95.8 (93.3,98.3)	94.1 (89.7,98.6)	−1.7	.481	3	1 (1–3)
Viral load monitoring	61.4 (56.4,66.8)	74.0 (65.5,83.6)	12.6	.045^b	20	4 (1–7)

Abbreviations: ART, antiretroviral therapy; CI, confidence interval; HTS, HIV testing services; IPT, isoniazid preventive therapy; PDSA, plan-do-study-act; QI, quality improvement.
↵a Number of clinics engaged in quality improvement.
↵b P value significant at <.05 using paired t-tests.