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Table 2 Prevalence of LTOT among COPD patients < 75 and ≥ 75 years old

From: Determinants of chronic obstructive pulmonary disease severity in the late-elderly differ from those in younger patients

 

Prevalence (%)

p value

<75 years old

≥75 years old

I

1/52 (1.9 %)

3/41 (7.3 %)

n.s.

II

4/114 (3.5 %)

13/88 (14.8 %)

0.0043

III

7/67 (10.4 %)

11/48 (22.9 %)

n.s.

IV

14/19 (73.7 %)

2/14 (14.3 %)

0.002

  1. n.s. not significant