Table 1. Patient characteristics stratified by number of CT lesions
Variable Overall
N = 154
1
0 lesions
N = 128
1
1 lesion
N = 9
1
2–9 lesions
N = 8
1
≥10 lesions
N = 9
1
p-value2
Sex




0.7
    Male 97 (63%) 79 (62%) 7 (78%) 6 (75%) 5 (56%)
    Female 57 (37%) 49 (38%) 2 (22%) 2 (25%) 4 (44%)
HIV status




0.047
    HIV− 136 (88%) 115 (90%) 9 (100%) 5 (63%) 7 (78%)
    HIV+ 18 (12%) 13 (10%) 0 (0%) 3 (38%) 2 (22%)
Prior TB history




0.3
    No prior TB 138 (90%) 115 (90%) 9 (100%) 6 (75%) 8 (89%)
    Prior TB 16 (10%) 13 (10%) 0 (0%) 2 (25%) 1 (11%)
Baseline symptoms




0.2
    Asymptomatic 123 (80%) 101 (80%) 9 (100%) 5 (63%) 8 (89%)
    Symptomatic 30 (20%) 26 (20%) 0 (0%) 3 (38%) 1 (11%)
Cavitation




<0.001
    Absent 148 (96%) 127 (99%) 9 (100%) 8 (100%) 4 (44%)
    Present 6 (3.9%) 1 (0.8%) 0 (0%) 0 (0%) 5 (56%)
Consolidation




<0.001
    Absent 147 (95%) 126 (98%) 9 (100%) 7 (88%) 5 (56%)
    Present 7 (4.5%) 2 (1.6%) 0 (0%) 1 (13%) 4 (44%)
Fibrosis/scarring




<0.001
    Absent 119 (77%) 106 (83%) 5 (56%) 6 (75%) 2 (22%)
    Present 35 (23%) 22 (17%) 4 (44%) 2 (25%) 7 (78%)
Calcified granuloma




0.058
    Absent 146 (95%) 123 (96%) 9 (100%) 6 (75%) 8 (89%)
    Present 8 (5.2%) 5 (3.9%) 0 (0%) 2 (25%) 1 (11%)
Bronchiectasis




<0.001
    Absent 135 (88%) 118 (92%) 8 (89%) 5 (63%) 4 (44%)
    Present 19 (12%) 10 (7.8%) 1 (11%) 3 (38%) 5 (56%)
Ground-glass opacity




0.064
    Absent 138 (90%) 117 (91%) 8 (89%) 5 (63%) 8 (89%)
    Present 16 (10%) 11 (8.6%) 1 (11%) 3 (38%) 1 (11%)
Tree-in-bud




<0.001
    Absent 147 (95%) 126 (98%) 9 (100%) 7 (88%) 5 (56%)
    Present 7 (4.5%) 2 (1.6%) 0 (0%) 1 (13%) 4 (44%)
Pleural thickening




<0.001
    Absent 144 (94%) 125 (98%) 9 (100%) 5 (63%) 5 (56%)
    Present 10 (6.5%) 3 (2.3%) 0 (0%) 3 (38%) 4 (44%)
Atelectasis




<0.001
    Absent 149 (97%) 127 (99%) 9 (100%) 7 (88%) 6 (67%)
    Present 5 (3.2%) 1 (0.8%) 0 (0%) 1 (13%) 3 (33%)
Pneumothorax




0.057
    Absent 151 (98%) 127 (99%) 9 (100%) 7 (88%) 8 (89%)
    Present 3 (1.9%) 1 (0.8%) 0 (0%) 1 (13%) 1 (11%)
Pleural effusion




0.11
    Absent 152 (99%) 127 (99%) 9 (100%) 7 (88%) 9 (100%)
    Present 2 (1.3%) 1 (0.8%) 0 (0%) 1 (13%) 0 (0%)
Hilar/mediastinal lymphadenopathy




0.4
    Absent 151 (98%) 126 (98%) 9 (100%) 8 (100%) 8 (89%)
    Present 3 (1.9%) 2 (1.6%) 0 (0%) 0 (0%) 1 (11%)
Nodules




<0.001
    Absent 128 (83%) 128 (100%) 0 (0%) 0 (0%) 0 (0%)
    Present 26 (17%) 0 (0%) 9 (100%) 8 (100%) 9 (100%)
Multiple lesion types




<0.001
    Absent 124 (81%) 116 (91%) 3 (33%) 4 (50%) 1 (11%)
    Present 30 (19%) 12 (9.4%) 6 (67%) 4 (50%) 8 (89%)
1 n (%)
2 Fisher’s exact test