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Annals of Intensive Care

Table 2 Treatment characteristics and outcomes

From: Characteristics and outcome of COVID-19 patients admitted to the ICU: a nationwide cohort study on the comparison between the consecutive stages of the COVID-19 pandemic in the Netherlands, an update

 

1.Wave 1

01/02/2020-

24/05/2020

2.In-between

25/05/2020–04/10/2020

3.Wave 2.1

05/10/2020-

31/01/2021

4.Wave 2.2

01/02/2021-

24/05/2021

5.In-between

25/05/2021-

04/10/2021

6.Wave 3.1

05/10/2021-

31/01/2022

7.Wave 3.2

01/02/2022-

24/05/2022

8.In-between

25/05/2022-

04/10/2022

9.Endemic

05/10/2022-

31/01/2023

N with MDS record linkage

2740

490

4300

4602

1272

3074

1141

555

598

Mean PaO2 (mmHg) t = 0 (SD)

84.97 (35.83)

78.6 (28.0)

76.7 (29.76)

76.82 (31.16)

76.33 (29.06)

77.27 (32.81)

87.55 (46.72)

89.68 (45.22)

86.07 (36.78)

Mech. ventil. t = 0 (N,%)

1320 (48.2)

100 (20.4)

1063 (24.7)

1118 (24.3)

278 (21.9)

831 (27.0)

358 (31.4)

202 (36.4)

211 (35.3)

Mech. ventil. t = 24 h (N,%)

2167 (79.1)

251 (51.2)

2503 (58.2)

2712 (58.9)

698 (54.9)

1791 (58.3)

566 (49.6)

266 (47.9)

282 (47.2)

Vasoactive drugs (N,%)

1842 (67.2)

213 (43.5)

2083 (48.4)

2159 (46.9)

532 (41.8)

1485 (48.3)

486 (42.6)

259 (46.7)

271 (45.3)

Acute renal failure (N,%)

252 (9.2)

34 (6.9)

289 (6.7)

278 (6.0)

47 (3.7)

214 (7.0)

140 (12.3)

78 (14.1)

85 (14.2)

Mean bed occupancy (SD)

1.82 (0.62)

1.08 (0.4)

1.51 (0.45)

1.65 (0.44)

1.07 (0.32)

1.34 (0.38)

1.01 (0.33)

0.86 (0.28)

0.99 (0.38)

Transfer to other hospital (N,%)

883 (32.2)

111 (22.7)

1206 (28)

1288 (28)

318 (25)

797 (25.9)

109 (9.6)

47 (8.5)

34 (5.7)

Mean length of pre ICU hospital stay in days (SD)

1.7 (2.9)

1.8 (4.3)

2.4 (10.3)

2.1 (3.2)

2.1 (3.4)

2.2 (7.8)

3.8 (28.9)

1.7 (5.6)

3.8 (35.5)

Mean length of stay in days ICU (SD)

20.6 (20.5)

16.0 (15.8)

17.2 (17.6)

16.3 (16.7)

15.8 (24.9)

15.4 (21.1)

9.4 (18.3)

7.6 (10.2)

7.0 (10.7)

Median length of stay ICU

(IQR)

15 (8–28)

11 (5–12)

11 (6–23)

11 (6–21)

10 (5–20)

10 (5–20)

4 (2–11)

4 (2–9)

4 (2–8)

Mean length of stay in days hospital (SD)*1

41.6 (130.8)

41.8 (139.0)

36.1 (107.9)

36.0 (103.9)

28.5 (70.5)

27.2 (58.8)

19.9 (43.2)

18.3 (32.2)

16.0 (25.1)

Hospital death (N, %)

822 (30.0)

132 (26.9)

1392 (32.4)

1102 (23.9)

262 (20.6)

880 (28.6)

304 (26.6)

129 (23.2)

154 (25.8)

  1. *1 calculated since data of admission at the ICU
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