Skip to main content

Table 3 Accuracy examination results of traditional surveillance in period 1 and RT-NISS in periods 2 and 3, for a 95% confidence interval

From: Effect of a real-time automatic nosocomial infection surveillance system on hospital-acquired infection prevention and control

MDRO type

Group

Se

Sp

PPV

NPV

ESBL

Period 1

62.86 (58.61–66.92)

87.27 (84.47–89.63)

79.85 (75.68–83.46)

74.54 (71.31–77.52)

Period 2

96.75 (94.54–98.10)

97.55 (95.93–98.54)

96.52 (94.24–97.92)

97.72 (96.14–98.66)

Period 3

100 (99.03–100)

100 (99.38–100)

100 (99.03–100)

100 (99.38–100)

MRSA

Period 1

80.19 (71.61–86.66)

55.61 (48.77–62.25)

48.30 (41.03–55.64)

84.44 (77.38–89.59)

Period 2

84.17 (76.59–89.63)

100 (97.31–100)

100 (96.34–100)

87.97 (81.98–92.16)

Period 3

100 (95.47–100)

100 (97.21–100)

100 (95.47–100)

100 (97.21–100)

CRAB

Period 1

74.58 (62.21–83.95)

82.17 (74.66–87.81)

65.67 (53.73–75-91)

87.60 (80.55–92.34)

Period 2

87.72 (76.75–93.92)

100 (96.87–100)

100 (92.87–100)

94.44 (88.97–97.28)

Period 3

100 (92.59–100)

100 (96.30–100)

100 (92.59–100)

100 (96.30–100)

CRPA

Period 1

56.82 (42.23–70.32)

81.94 (77.09–85.95)

32.47 (23.06–43.54)

92.55 (88.66–95.18)

Period 2

88.37 (75.52–94.93)

90.48 (86.22–93.52)

61.29 (48.85–72.42)

97.85 (95.07–99.08)

Period 3

100 (87.13–100)

100 (98.44–100)

100 (87.13–100)

100 (98.44–100)

CRE

Period 1

0 (0–11.70)

100 (99.64–100)

0 (0)

97.31 (96.16–98.12)

Period 2

0 (0–21.53)

100 (99.59–100)

0 (0)

98.54 (97.56–99.13)

Period 3

100 (79.61–100)

100 (99.61–100)

100 (79.61–100)

100 (99.61–100)

  1. Se sensitivity, Sp specificity, PPV positive predictive value, NPV negative predictive value