Table 2 The distribution of diagnostic discriminatory accuracy, likelihood ratios and the predictive values of RDT against microscopy test by selected children characteristics in the Nigeria 2015 MIS

87.6 (85.9–89.2)

75.8 (74.4–77.1)

79.0 (77.9–80.0)

3.6 (3.4–3.8)

0.16 (0.14–0.19)

57.5 (56.1–58.9)

94.2 (93.5–94.9)

85.7 (42.0–99.3)

90.1 (50.1–95.6)

89.7 (83.0–96.5)

8.7 (4.0–18.7)

0.16 (0.03–0.97)

46.1 (20.4–73.8)

98.5 (90.5–99.9)

86.1 (81.9–89.3)

80.7 (78.6–82.7)

81.8 (80.0–83.6)

4.5 (4.0–5.0)

0.17 (0.13–0.22)

53.3 (59.1–57.4)

95.8 (94.4–96.8)

88.1 (86.0–89.8)

72.9 (71.1–74.5)

77.5 (76.2–78.8)

3.2 (3.0–3.5)

0.16 (0.14–0.19)

58.9 (56.6–61.2)

93.2 (92.0–94.2)

87.6 (85.1–89.8)

74.7 (72.8–76.6)

78.3 (76.7–79.8)

3.5 (3.2–3.7)

0.17 (0.14–0.20)

57.2 (55.3–59.1)

93.9 (92.8–94.9)

87.6 (85.0–89.9)

76.9 (75.0–78.7)

79.7 (78.2–81.2)

3.8 (3.5–4.1)

0.16 (0.13–0.20)

57.8 (55.7–59.8)

94.5 (93.4–95.4)

83.6 (78.3–88.1)

86.3 (84.6–87.9)

86.0 (96.7–98.1)

6.1 (5.4–7.0)

0.19 (0.14–0.25)

45.5 (42.3–48.8)

97.5 (96.7–98.1)

88.3 (86.5–90.0)

68.3 (66.4–70.1)

75.3 (72.9–76.7)

2.8 (2.6–3.0)

0.17 (0.15–0.20)

60.2 (58.7–61.7)

91.5 (90.2–92.6)

92.8 (89.5–95.3)

73.5 (70.4–76.5)

79.1 (76.6–81.4)

3.5 (3.1–3.9)

0.10 (0.07–0.14)

58.5 (55.7–61.3)

96.2 (94.5–97.4)

86.7 (82.3–90.4)

74.3 (71.2–77.3)

77.6 (75.0–80.0)

3.4 (3.0–3.8)

0.18 (0.13–0.24)

54.5 (51.4–57.7)

94.0 (92.1–95.5)

85.0 (81.9–87.8)

63.3 (59.9–66.6)

72.2 (69.8–74.5)

2.3 (2.1–2.6)

0.24 (0.19–0.29)

61.5 (59.3–63.7)

86.0 (83.4–88.2)

94.0 (86.5–98.0)

80.6 (76.8–84.4)

82.6 (79.2–85.6)

4.9 (4.0–5.9)

0.07 (0.03–0.17)

45.4 (40.7–50.1)

98.7 (97.1–99.5)

79.5 (72.1–85.6)

85.4 (82.3–88.1)

84.2 (81.4–86.8)

5.5 (4.4–6.7)

0.24 (0.18–0.33)

58.3 (53.0–63.3)

94.2 (92.2–95.7)

93.4 (87.5–97.1)

84.9 (81.8–87.7)

86.3 (83.6–88.7)

6.2 (5.1–7.5)

0.08 (0.04–0.15)

55.3 (50.5–60.1)

98.5 (97.1–99.2)

86.5 (83.8–88.9)

82.7 (81.2–84.2)

83.6 (82.3–84.9)

5.0 (4.6–5.5)

0.16 (0.14–0.20)

60.1 (57.9–62.3)

95.3 (94.4–96.1)

88.6 (86.2–90.7)

65.8 (63.5–68.1)

73.2 (71.4–74.9)

2.6 (2.4–2.8)

0.17 (0.14–0.21)

55.4 (53.6–57.1)

92.4 (90.9–93.6)

92.8 (87.7–96.4)

70.5 (63.1–77.2)

81.1 (76.4–85.2)

3.2 (2.5–4.0)

0.10 (0.06–0.18)

73.9 (69.1–78.1)

91.7 (86.2–95.2)

87.6 (84.4–90.0)

65.3 (62.9–67.7)

92.4 (90.9–93.7)

2.5 (2.3–2.7)

0.19 (0.15–0.23)

52.2 (50.3–54.0)

92.4 (90.9–93.7)

86.7 (84.3–88.9)

78.0 (76.3–79.6)

80.3 (78.9–81.6)

3.9 (3.6–4.3)

0.17 (0.14–0.20)

57.7 (54.9–60.3)

94.5 (93.4–95.4)

88.6 (85.9–90.8)

72.5 (70.2–74.6)

77.2 (75.5–78.9)

3.2 (2.9–3.5)

0.16 (0.13–0.15)

57.4 (54.4–60.3)

93.8 (92.4–95.1)

87.8 (84.2–90.6)

82.5 (80.8–84.1)

83.4 (82.0–84.8)

5.0 (4.6–5.5)

0.14 (0.11–0.19)

49.9 (46.3–53.5)

97.1 (96.3–97.8)

89.2 (86.5–91.5)

71.1 (68.7–73.3)

76.6 (74.8–78.4)

3.1 (2.8–3.4)

0.15 (0.12–0.19)

57.5 (54.4–60.6)

93.7 (92.1–95.1)

85.1 (81.5–88.2)

60.4 (55.9–64.7)

72.4 (69.6–75.3)

2.2 (1.9–2.4)

0.24 (0.20–0.31)

67.1 (63.1–70.8)

81.1 (76.9–84.9)

97.7 (93.5–99.5)

38.7 (26.6–51.9)

78.8 (72.3–84.3)

1.6 (1.3–2.0)

0.06 (0.02–0.19)

77.1 (73.4–80.4)

88.9 (71.5–96.2)

89.3 (87.1–91.3)

63.7 (61.0–66.3)

74.2 (72.3–76.0)

2.5 (2.3–2.7)

0.17 (0.14–0.20)

63.0 (61.2–64.8)

89.6 (87.7–91.3)

82.7 (78.0–86.8)

77.7 (75.2–80.0)

78.7 (76.6–80.8)

3.7 (3.3–4.2)

0.22 (0.17–0.28)

49.5 (46.6–52.5)

94.4 (93.0–95.6)

81.9 (76.5–86.5)

85.1 (83.3–86.8)

84.7 (83.0–86.3)

5.5 (4.8–6.3)

0.21 (0.16–0.28)

44.3 (41.2–47.5)

97.0 (96.1 - 97.7)