Table 1 Comparison between the current OBSERvE-DUS study and three studies from other German sides: Study site information, patient´s characteristics, and vital signs in studies concerning resuscitation room management of patients suffer from non-traumatic critical illness

Study information

Study design

single-center retrospective

cohort study

single-center prospective observational

cohort study

single-center prospective observational

cohort study

single-center retrospective

cohort study

Study period (months)

12

12

12

6

Study setting (type)

tertiary-care university hospital

tertiary-care university hospital

tertiary-care university hospital

academic

teaching hospital

Case load (n)

40,764

34,303

35,039

19,854

Case load of critically ill non-traumatic patients [n, (%)]

621 (1.5)

532 (1.6)

457 (1.3)

193 (1.0)

^#a0.8909, ^#b0.7836, ^#c0.6034

Patient´s characteristics

Age (years, MV ± SD)

70 ± 16

67 ± 17

65 ± 17

66 ± 16

^*a0.0021, ^*b<0.0001, ^*c0.0025

Sex, male [n, (%)]

323 (52.0)

310 (58.3)

273 (59.7)

106 (54.9)

^#a0.1114, ^#b0.0597, ^#c0.6042

NACA [n, (%)]

539 (86.8)

489 (92.0)

388 (85.0)

not reported

^#a0.0072, ^#b0.4355, ^#c n.a.

Admission by EMS [n, (%)]

578 (93.1)

498 (93.6)

438 (93.7)

not reported

^#a0.7432, ^#b0.7038, ^#c n.a.

ABCDE problems [n, (%)]

A (airway)

12 (1.9)

20 (3.8)

17 (3.7)

not reported

^#a0.7672, ^#b0.7818, ^#cn.a.

B (breathing)

152 (24.5)

141 (26.5)

132 (28.8)

not reported

^#a0.6951, ^#b0.4803, ^#cn.a.

C (circulation)

194 (31.2)

189 (35.5)

160 (35.1)

not reported

^#a0.3727, ^#b0.4379, ^#cn.a.

D (disability)

256 (41.2)

177 (33.3)

146 (31.9)

not reported

^#a0.0963, ^#b0.0648, ^#cn.a.

E (environment)

7 (1.1)

5 (0.9)

2 (0.4)

not reported

^#a0.9740, ^#b0.9322, ^#cn.a.

Vital signs admission [MV ± SD]

Systolic blood pressure (mmHg)

129 ± 45

135 ± 44

136 ± 40

131 ± 45

^*a0.0228, ^*b0.0083, ^*c0.5898

Heart rate (bpm)

95 ± 35

96 ± 30

99 ± 32

95 ± 33

^*a0.6058, ^*b0.0548, ^*c1.0000

Shock index (bpm/mmHg)

0.8 ± 0.5

0.8 ± 0.5

0.8 ± 0.4

not reported

^*a1.0000, ^*b1.0000,^*cn.a

Oxygen saturation (%)

94 ± 8

92 ± 11

94 ± 10

91 ± 10

^*a0.0004, ^*b1.0000, ^*c<0.0001

Respiratory rate (min^− 1)

22 ± 13

20 ± 10

20 ± 9

22 ± 9

^*a0.0039, ^*b0.0048, ^*c1.0000

Glasgow coma score (points)

10 ± 5

8 ± 5

8 ± 5

11 ± 4

^*a<0.0001, ^*b<0.0001,^*c0.0114

Temperature tympanal (°C)

36 ± 2

36 ± 1

37 ± 2

not reported

^**a1.0000, ^*b<0.0001, ^*cn.a

ROSC at admission [n, (%)]

52 (71.2)

55 (60.4)

43 (47.3)

not reported

^#a<0.0001, ^#b<0.0001, ^#cn.a