Table 2 Patient outcome according to oxygen use

Oxygen saturation, median (IQR), %

Oxygen use

(n = 35)

No oxygen use

(n = 102)

Total

(n = 137)

 Oxygen saturation at baseline

85 (82–87)

86 (83–88)

85 (83–88)

 Highest oxygen saturation during follow-up at home

96 (94–98)

89 (85–96)

93 (88–97)

 Lowest oxygen saturation during follow-up at home

83 (80–86)

84 (80–87)

84 (80–87)

Time from the development of low oxygen saturation to the initiation of oxygen therapy, median (IQR), days

0 (0–4)

–

–

Outcome at end of entire follow-up, no. (%)

Oxygen use

(n = 35)

No oxygen use

(n = 102)

Total

(n = 137)

 Died

33 (94)^a

96 (94)^a

129 (94)

 Admitted to a hospital including PCU

2 (5.7)

5 (4.9)

7 (5.1)

 Switched to outpatient follow-up

0 (0)

1 (1.0)

1 (0.7)

Outcome at end of follow-up at home, no. (%)

Oxygen use

(n = 35)

No oxygen use

(n = 102)

Total

(n = 137)

 Died at home

23 (66)^b

77 (75)^b

100 (73)

 Admitted to a hospital including PCU

12 (34)

23 (23)

35 (26)

 Died during emergency transport

0 (0)

1 (1.0)

1 (0.7)

 Switched to outpatient follow-up

0 (0)

1 (1.0)

1 (0.7)

Survival, median (IQR), days

Oxygen use

(n = 33)

No oxygen use

(n = 96)

Total

(n = 129)

 Overall survival

15 (6–35)

5 (1–19)

7 (2–23)

(n = 35)

(n = 102)

(n = 137)

 Survival at home

19 (7–46)

6 (2–29)

10 (2–31)