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Table 2 Covid-19 suspicion and testing rates by primary complaint at dispatch with more than 100 occurrences from April 14 onwards, ordered by descending proportion of confirmed Covid-19 cases

From: Prehospital identification of Covid-19: an observational study

Primary Complaint

n

Suspicion at dispatch, %

Suspicion by ambulance, %

Tested at hospital, %

Hospital-confirmed a Covid-19, %

Infection

261

68.6 (62.8–74.3)

78.5 (73.9–83.5)

72.8 (67.4–78.2)

29.1 (23.8–34.9)

Fever

147

71.4 (64.6–79.6)

76.9 (70.1–83.7)

74.1 (67.3–81.0)

16.3 (10.9–22.4)

Difficulty Breathing

790

50.9 (47.5–54.3)

65.4 (61.8–68.5)

62.9 (59.9–66.1)

14.7 (12.3–17.1)

General Elderlyb

344

17.2 (13.4–21.5)

29.1 (24.1–33.7)

54.7 (49.1–60.2)

6.4 (3.8–9.0)

General Adultb

139

28.8 (21.6–36.0)

29.5 (22.3–37.4)

38.1 (30.2–46.0)

5.8 (2.2–10.1)

Reduced consciousness

262

12.6 (8.8–16.4)

22.9 (18.3–27.9)

38.9 (33.2–45.0)

4.6 (2.3–7.3)

Fainting

117

12.0 (6.8–17.9)

19.7 (12.8–27.4)

22.2 (14.5–29.9)

3.4 (0.9–6.8)

Stroke

428

5.4 (3.5–7.5)

14.7 (11.4–18.0)

35.3 (30.8–40.2)

3.3 (1.9–5.1)

Seizure

207

4.3 (1.9–7.2)

10.6 (6.8–15.4)

20.3 (15.0–25.6)

2.4 (0.5–4.8)

Other

908

11.3 (9.1–13.4)

15.7 (13.4–18.1)

24.1 (21.3–27.1)

2.2 (1.3–3.2)

Dizziness

144

6.9 (3.5–11.8)

14.6 (9.0–20.8)

17.4 (11.1–23.6)

2.1 (0.0–4.2)

Major trauma

1203

2.8 (1.9–3.8)

8.1 (6.6–9.7)

26.4 (23.9–28.9)

1.8 (1.1–2.7)

Missing

118

0.0 (0.0–0.0)

11.0 (5.9–16.9)

23.7 (16.1–31.4)

1.7 (0.0–4.2)

Abdominal pain

548

8.4 (6.2–10.9)

17.2 (13.9–20.4)

17.9 (14.6–21.2)

1.5 (0.5–2.6)

Chest pain

813

9.5 (7.4–11.4)

17.7 (15.3–20.5)

19.7 (17.1–22.4)

1.2 (0.5–2.1)

Arrythmia

153

3.3 (0.7–6.5)

14.4 (9.2–20.3)

11.8 (6.5–17.0)

0.7 (0.0–2.6)

  1. All data presented with point estimates and bootstrapped 95% Confidence intervals
  2. a Confirmed based on either a positive PCR-test or by hospital diagnosis code
  3. b These categories capture patients with non-specific complaints that cannot be further categorized