Table 2 Diagnostic performance for ACS (a), NSTEMI (b), all AMI (c) and MACE after 2 months (d) of HsTnT analysed 3–4 h

a) ACS prediction at 3–4 h

Sensitivity

Specificity

NPV

PPV

n = 77

(95 % CI)

(95 % CI)

(95 % CI)

(95 % CI)

HsTnT

>14

88 (78–94)

38 (32–44)

90 (83–95)

32 (26–35)

>20

81 (70–88)

58 (52–65)

90 (84–90)

39 (31–47)

>30

77 (65–85)

75 (69–80)

91 (86–94)

50 (41–59)

b) NSTEMI prediction at 3–4 h

n = 61

HsTnT

>14

100 (93–100)

39 (33–45)

100 (95–100)

28 (22–35)

>20

93 (83–98)

59 (53–65)

97 (93–99

36 (28–44)

>30

90 (79–96)

75 (69–80)

97 (93–99)

47 (37–56)

c) All AMI prediction at 3–4 h

n = 81

HsTnT

>14

100 (94–100)

41 (35–48)

100 (95–100)

36 (32–43)

>20

94 (85–98)

63 (56–69)

97 (92–99)

45 (37–53)

>30

90 (80–95)

80 (73–84)

96 (92–98)

58 (49–67)

d) MACE prediction at 3–4 h

n = 86

HsTnT

>14

91 (83–96)

39 (33–46)

93 (85–97)

35 (29–42)

>20

83 (73–90)

60 (54–66)

91 (85–95)

42 (35–51)

>30

77 (66–85)

77 (70–81)

90 (85–94)

53 (44–63)