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Table 4 Number of hospitalizations and lengths of hospital stay of active TB cases, notified to Montreal public health between January 1996 -- May 2007, stratified by timing of hospitalization

From: Predictors of hospitalization of tuberculosis patients in Montreal, Canada: a retrospective cohort study

  Timing of hospitalization All hospitalizations
Initiala Duringb
Patients with any hospitalization, n (%) 942 (50.9) 167 (9.0) 1001 (54.1)
Patients with >1 hospitalization, n (%) 114 (6.1) 35 (1.9) 124 (6.7)
Total number of hospitalizations 1006 206 1212
 Mean length of hospital stay (LOS), in days (se) 28.2 (39.0) 21.6 (36.1) 27.2 (38.6)
 Median length of hospital stay (LOS), in days (IQR) 17.5 (9–31) 13 (6–22) 16.5 (8–29)
Patients starting TB treatment in-hospital, n (%) 731 (39.5%) - 731 (39.5%)
 Median # days (IQR) from admission to treat start 4 (2–8) - 4 (2–8)
  1. LOS length of stay, se standard error, IQR interquartile range
  2. aInitial = hospital admission within 1 month before start of TB treatment or up to 1 month after treatment start, or any admission where TB treatment started in-hospital
  3. bDuring = hospital admission more than 1 month after start of TB treatment and during TB treatment period