Table 1

Results of univariate analyses between group 1 and group 2

VariableGroup 1 (n=37)Group 2 (n=10)P value
Age*  (years)53.1±15.854.3±18.00.544
Sex0.820
 Male205
 Female175
Diagnosis0.456
 MTB or NTM276
 Unspecified mycobacterial infection104
History of TB>0.999
 Yes82
 No298
Anti-TB  medication>0.999
 Yes298
 No82
Emphysema0.285
 Yes52
 No348
CT findings0.456
 Solitary nodule or mass104
 Nodule or mass with satellite nodules276
Lesion size† (cm)3.1 (2.3–4.0)2.7 (2.1–3.6)0.547
Pleura-to-target distance† (cm)1.2 (0.0–2.1)1.0 (0.0–2.2)0.990
Number of cores†4.0 (3.0–4.5)4.0 (2.8–4.0)0.600
Biopsy location>0.999
 Upper lobes206
 Middle and lower lobes174
TB-PCR on TNB  specimen0.277
 Done162
 Not done218
Pneumothorax0.377
 Yes63
 No317
  • *Data are mean±SD.

  • †Data are median (with IQR in parentheses).

  • MTB, Mycobacterium tuberculosis; NTM, non-tuberculous mycobacterial infection; TB, tuberculosis; TNB, transthoracic needle biopsy.