Table 5. CTLA4 genotype frequencies in TB cases stratified for the sizes of opacities in chest radiographs¹.

	Opacity Score
CTLA4 SNP	0	1	2	3	OR2	95%CI3	P	Pcor 4
N	17	349	1075	364
−1765 AA	0.0%	30.1%	29.6%	26.4%	1
AG	64.7%	44.7%	49.3%	51.4%	1.09	0.9–1.4	0.498
GG	35.3%	25.2%	21.1%	22.2%	0.85	0.6–1.1	0.268
N	17	347	1074	363
−1722 AA	82.3%	74.3%	72.6%	71.1%	1
AG	17.6%	23.1%	24.9%	27.3%	1.14	0.9–1.5	0.277
GG	0.0%	2.6%	2.4%	1.6%	1.09	0.5–2.3	0.822
N	17	342	1056	357
−1661 AA	52.9%	73.1%	71.9%	68.9%	1
AG	47.1%	24.0%	25.9%	27.4%	1.05	0.8–1.3	0.692
GG	0.0%	2.9%	2.3%	3.6%	1.25	0.6–2.4	0.505
N	3	183	565	183
−443 AA	100.0%	68.3%	69.2%	67.8%	1
AT	0.0%	29.0%	27.1%	30.6%	1.03	0.8–1.4	0.838
TT	0.0%	2.7%	3.7%	1.6%	0.83	0.4–1.7	0.618
N	17	338	1040	347
+49 GG	52.9%	45.9%	37.7%	40.6%	1
GA	47.1%	42.6%	47.9%	46.1%	1.17	0.9–1.5	0.180
GG	0.0%	11.5%	14.4%	13.3%	1.38	1.0–1.9	0.061
N	3	180	545	175
+923 CC	66.7%	51.7%	55.2%	56.0%	1
CT	33.3%	41.1%	38.6%	34.3%	0.84	0.7–2.3	0.289
TT	0.0%	7.2%	6.2%	9.7%	1.33	0.6–1.1	0.199
N	17	350	1079	364
+6230 GG	47.1%	63.1%	65.6%	63.2%	1
GA	47.1%	29.4%	30.8%	35.2%	1.06	0.8–1.3	0.602
AA	5.9%	7.4%	3.6%	1.6%	0.39	0.2–0.7	0.0004	0.005

¹Analysed by ordinal logistic regression.

²Odds ratio.

³Confidence interval.

⁴Bonferroni-corrected by the factor of 14 for testing 7 SNPs not in strong linkage disequilibria and two disease phenotypes.