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Table 1 Baseline sum score of the Severe Respiratory Insufficiency questionnaire by background characteristics in 112 patients treated with long-term mechanical ventilation between 2008 and 2014

From: Health-related quality of life as predictor for mortality in patients treated with long-term mechanical ventilation

Characteristic

Participants, na

(n = 112)

SRI-SS

Baseline (2008)

mean (SD)

Sex

 Female

48

51.4 (16.7)

 Male

57

57.7 (19.5)

Age

 ≤ 60

37

59.0 (16.7)

 > 60

68

52.5 (19.2)

Education

 Primary school

31

50.0 (20.5)

 High school

41

52.2 (16.0)

 College/university

33

62.5 (17.6)

Marital status

 Married /cohabiting

60

54.7 (19.1)

 Single/divorced/widowed

45

54.9 (18.0)

LTMV h/day

 5–8

45

57.9 (18.3)

 8–12

42

55.2 (18.8)

 12–24

16

44.9 (17.1)

Years on LTMV

 ≤ 4

60

51.9 (18.2)

 > 4

45

58.6 (18.4)

Disease

 NMD

43

60.0 (14.8)

 COPD

23

41.1 (18.3)

 OHS

31

58.0 (18.5)

 CWD

8

54.3 (21.1)

Co-morbidity

 No additionally diagnosis

41

60.2 (17.6)

 1 additionally diagnosis

28

55.7 (17.9)

 ≥ 2 additionally diagnosis

36

48.0 (18.3)

  1. Abbreviations: SRI-SS, Severe Respiratory Insufficiency sum score; SD, standard deviation; CI, confidence interval; LTMV, long-term mechanical ventilation; NMD, neuro muscular disease; COPD, chronic obstructive pulmonary disease; OHS, obesity hypoventilation syndrome; CWD, chest wall diseasese
  2. a Numbers do not add to 112 due to missing in the Severe Respiratory Insufficiency questionnaire, as well as missing in education level, marital status and daily hours on LTMV responses