Table 3.

Neurocognitive functioning score by HIV status (before and after exclusion of MDD/SUD)

Tests	MDR-TB and HIV		MDR-TB without HIV		Median difference statistics (rank sum) Z, p
	Median	IQR	Median	IQR
Before exclusion
Digit Span Test - Forward (↑)	8	3	9	3	1.38, 0.17
Digit Span Test - Backward (↑)	5	2	6	1	1.67, 0.09
Trail Making Test - Part A (↓)	44.5	31	35	17	2.96, <0.01
Trail Making Test - Part B (↓)	110	69	85	63	2.32, 0.02
Animal Naming Test (↑)	12	3	14	4	−0.86, 0.39
Rey Complex Figure – Copy (↑)	29	14	31	5	−1.62, 0.11
Rey Complex Figure – Recall (↑)	10	11	16	10	−2.97, <0.01
Grooved Pegboard Test - Right (↓)	77	24	70	24	1.95, 0.05
Grooved Pegboard Test - Left (↓)	84.5	29	81	19	1.23, 0.22
After exclusion
Digit Span Test - Forward (↑)	9	3	8.5	3	0.50, 0.62
Digit Span Test - Backward (↑)	5	2	6	2	2.17, 0.03
Trail Making Test Part A (↓)	44	31	32.5	21	2.60, <0.01
Trail Making Test Part B (↓)	116.5	71	78	53	2.63, <0.01
Animal Naming Test (↑)	13	4	14	5	−0.01, 0.99
Rey Complex Figure – Copy (↑)	29	13	31.5	5	−1.07, 0.28
Rey Complex Figure – Recall (↑)	11	12	17	9	−2.95, <0.01
Grooved Pegboard Test - Right (↓)	77	23	73	27	1.53, 0.12
Grooved Pegboard Test - Left (↓)	84	28	81.5	33	0.89, 0.38

Arrow indicates general directionality of better function.