Table 4 Diagnostic performance of commonly reported symptoms.

From: Cross sectional study of the clinical characteristics of French primary care patients with COVID-19

Symptom

Sensitivity, % (95%CI)

Specificity, % (95%CI)

ROC area (95%CI)

Positive predictive value, % (95%CI)

Negative predictive value, % (95%CI)

ENT symptoms

Dry throat (n = 1476)

42.1 (35.9–48.4)

58.7 (55.8–61.4)

0.50 (0.47–0.54)

17.3 (14.4–20.6)

83.1 (80.4–85.5)

Dry nose (n = 1475)

26.6 (21.2–32.5)

81.6 (79.3–83.7)

0.54 (0.51–0.57)

22.9 (18.2–28.2)

84.4 (82.2–86.4)

Sore throat (n = 1517)

4.0 (1.9–7.2)

92.3 (90.7–93.7)

0.48 (0.47–0.50)

9.4 (4.6–16.5)

82.9 (80.8–84.8)

Stuffy nose (n = 1477)

23.4 (18.3–29.1)

66.5 (63.8–69.2)

0.45 (0.42–0.48)

12.6 (9.7–15.9)

80.9 (78.3–83.2)

Loss of taste (n = 1543)

31.2 (25.6–37.3)

94.5 (93.1–95.7)

0.63 (0.60–0.66)

52.7 (44.4–60.9)

87.5 (85.7–89.2)

Loss of smell (n = 1543)

35.6 (29.7–41.8)

93.0 (91.5–94.4)

0.64 (0.61–0.67)

50.0 (42.5–57.5)

88.0 (86.2–89.7)

Loss of taste and smell (n = 1543)

22.1 (17.2–27.8)

96.7 (95.6–97.6)

0.59 (0.57–0.62)

57.1 (46.7–67.1)

86.4 (84.5–88.1)

Loss of taste or smell (n = 1543)

44.7 (38.4–51.0)

90.8 (89.1–92.3)

0.68 (0.65–0.71)

48.7 (42.1–55.3)

89.3 (87.5–90.9)

Other symptoms

Chest pain (n = 1478)

17.1 (12.6–22.3)

78.5 (76.1–80.7)

0.48 (0.45–0.50)

14.0 (10.3–18.4)

82.2 (79.8–84.3)

Fever (n = 1497)

57.5 (51.2–63.7)

55.3 (52.5–58.1)

0.56 (0.53–0.60)

20.7 (17.7–23.9)

86.6 (84.0–88.9)

Fatigue (n = 1517)

13.1 (9.2–18.0)

83.1 (80.9–85.1)

0.48 (0.46–0.51)

13.4 (9.4–18.2)

82.8 (80.6–84.9)

Headache (n = 1487)

45.2 (39.0–51.6)

47.1 (44.3–50.0)

0.46 (0.43–0.50)

14.9 (12.4–17.6)

80.8 (77,8–83.6)

Cough (n = 1517)

51.8 (45.4–58.1)

55.5 (52.7–58.3)

0.54 (0.50–0.57)

18.8 (15.9–21.9)

85.3 (82.7–87.7)

Muscle pain (n = 1517)

25.5 (20.2–31.4)

83.6 (81.5–85.6)

0.55 (0.52–0.58)

23.6 (18.7–29.1)

85.0 (82.9–86.9)

Dyspnea (n = 1517)

9.2 (5.9–13.4)

84.2 (82.1–86.2)

0.47 (0.45–0.49)

10.3 (6.7–15.1)

82.4 (80.2–84.4)

Diarrhea (n = 1480)

19.0 (14.4–24.4)

70.8 (68.2–73.4)

0.45 (0.42–0.48)

11.8 (8.9–15.4)

81.0 (78.5–83.3)