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Table 2 Symptoms and clinical findings

From: Characteristics and outcomes of patients with dyspnoea as the main symptom, assessed by prehospital emergency nurses- a retrospective observational study

 

All patients

Women

Men

 

Missing

 

n

6354

3538

2816

All

Women

Men

Time interval - median hh:mma

 Symptom onset - call for EMS

51:08 (3:57,145:02)

50:58 [47:49,55:18]

51:11 [47:47,55:59]

438

245

193

Symptoms - n(%)

 Pain

1402 (23.1)

806 (23.9)

0.91 [0.78,1.07]b

292

162

130

 If yes, VAS mediana

4 (2,6)

3 [2,4]

4 [3,5]

1149

660

489

 Syncope

77 (1.2)

47 (1.3)

0.80 [0.44,1.47]

24

14

10

 Affected by alcohol, drugs

103 (1.6)

46 (1.3)

1.57 [0.94,2.63]

36

17

19

Vital signs; first recording – medianc

 Respiratory rate (breaths/min)

25 (20,32) 48.7

25 (20,32) 49.1

0.96 [0.84,1.01]

137

70

67

 Oxygen saturation (%)

93 (86,97) 35.2

93 (85,97) 36.0

0.92 [0.81,1.06]

120

55

65

 Heart rate (beats/min)

92 (80,110) 11.5

94 (80,110) 11.7

0.95 [0.77,1.17]

122

58

64

 Systolic blood pressure (mmHg)

140 (120,160) 1.8

140 (120,160) 1.2

2.15 [1.30,3.57]

236

132

104

 Diastolic blood pressure (mmHg)

80 (70,90) 0.3

80 (70,90) 0.3

1.26 [0.37,4.25]

870

482

388

 Body temperature (°C)

37.0 (36.6,37.4) 0.5

37.0 (36.6,37.5) 0.5

1.34 [0.55,3.29]

234

128

106

 Degree of consciousness (RLS)

1 (1,1) 1.6

1 (1,1) 1.7

0.91 [0.51,1.60]

1110

616

494

ECG recorded in ambulance - n(%)

4693 (74.0)

2540 (71.9)

1.28 [1.10,1.49]

8

4

4

ECG rhythm - n(%)d

   

873

512

361

 Sinus rythm

3882 (70.8)

2257 (74.6)

0.67 [0.57,0.79]

   

 Atrial fibrillation/flutter

1249 (22.8)

648 (21.4)

1.19 [1.01,1.41]

   

 Other rythme

350 (6.4)

121 (4.0)

2.47 [1.83,3.33]

   

ECG pattern - n(%)d

   

957

569

388

 ST-elevation

137 (2.5)

67 (2.3)

1.29 [0.82,2.01]

   

 ST-depression

748 (13.9)

420 (14.1)

0.95 [0.77,1.16]

   

 T-wave inversion

511 (9.5)

270 (9.1)

1.10 [0.87,1.40]

   

 Left bundle branch block

325 (6.0)

181 (6.1)

0.97 [0.72,1.31]

   

Blood Glucose measured - n(%)

1991 (31.3)

1034 (29.2)

1.25 [1.08,1.43]

   

 Blood glucose elevation ≥9.5 mmol/l

749 (37.6)

402 (38.9)

0.89 [0.70,1.14]

   
  1. aAll patients category denoted with 25th and 75th percentiles, women and men with 99% - confidence intervals;VAS: visual analogue scale
  2. bOdds ratio and 99% - confidence interval
  3. cAll patients and women category denoted with median (25th,75th percentiles) and percetage of deviating vital signs. Odds ratio and 99%-confidence intervals calculated on number of deviating vital signs
  4. Deviating vital signs: Respiratory rate < 8 or > 25 breaths/min; Oxygen saturation < 90%; Heart rate < 40/min or > 120/min; Systolic blood pressure < 90 mm/Hg; Diastolic blood pressure > 140 mm/hg; Body temperature (°C) < 35 or > 41; Reaction level scale (RLS) > 2
  5. dElectrocardiogram (ECG) rhythm and pattern recorded in Ambulance or in the ED within 4 h
  6. ePacemaker rhythm, Av-block I,II,III, Ectopical atrial rhythm/takycardia, Idioventricular rhytm, Junctional rhythm, Pulseless electrical activity, Ventricular takycardia
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BMC Emergency Medicine

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