The potential of CBC-derived ratios (monocyte-to-lymphocyte, neutrophil-to-lymphocyte, and platelet-to-lymphocyte) to predict or diagnose incident TB infection in Tanzanian adolescents

Table 2 Baseline MLR, NLR, and PLR for subsequent IGRA converters and IGRA-negative participants

Group	n	Mean	S.D.	Q1	Q3	*p-value*
MLR
IGRA Negatives	98	0.18	0.05	0.15	0.21	Reference
All Converters	47	0.17	0.06	0.13	0.20	0.10
Early Converters	18	0.18	0.07	0.13	0.22	0.56
Late Converters	29	0.16	0.06	0.13	0.18	0.07
Transient Converters	25	0.16	0.04	0.13	0.18	0.03
Persistent Converters	22	0.18	0.08	0.14	0.22	0.73
NLR
IGRA Negatives	98	1.02	0.40	0.74	1.22	Reference
All Converters	47	0.88	0.42	0.56	1.21	0.08
Early Converters	18	0.93	0.42	0.62	1.25	0.35
Late Converters	29	0.85	0.42	0.50	1.20	0.09
Transient Converters	25	0.91	0.39	0.68	1.69	0.38
Persistent Converters	22	0.85	0.45	0.48	1.10	0.06
PLR
IGRA Negatives	98	120	46	96	135	Reference
All Converters	47	115	50	82	152	0.28
Early Converters	18	119	58	89	136	0.41
Late Converters	29	113	45	80	158	0.40
Transient Converters	25	112	43	79	155	0.22
Persistent Converters	22	119	57	87	142	0.69

S.D. standard deviation, Q₁ first quartile (25th percentile), Q₃ third quartile (75th percentile)

ISSN: 1471-2334