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Table 2 CD4 counts among 1,250 pulmonary tuberculosis (TB) patients and 355 neighborhood controls1

From: CD4 lymphocyte dynamics in Tanzanian pulmonary tuberculosis patients with and without hiv co-infection

  TB patients (n = 1250) Controls (n = 355) Difference (controls - TB) P
CD4 counts (cells per μL) 416 (399; 433) 631 (595; 667) 215 (178; 253) < 0.001
In HIV uninfected 550 (523; 577) 655 (617; 693) 105 (59; 151) < 0.001
In HIV infected 285 (269; 301) 413 (330; 495) 128 (57; 198) < 0.001
  1. 1 Pulmonary TB status was based on culture, except where culture data were not available, in which case microscopy results were used. From each of 355 consecutive sputum positive TB patients an age and sex-matched neighborhood control were selected.