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Table 3 Comparisons of nursing homes with respect to the number of reported cases and deaths (both study periods)

From: Effectiveness of annual influenza campaigns and vaccination in reducing influenza burden in nursing homes of Canton Vaud in Switzerland

Characteristic

NHs

with ≤ 3 cases

(N = 27)

NHs with > 3 cases

(N = 12)

p-value

 

NHs

with no deaths

(N = 33)

NHs

with ≥ 1 deaths

(N = 6)

p-

value

Beds,

Median (IQR)

70

(48)

51

(22)

0.38

 

61

(50)

57.5

(29)

0.71

Residents,

Median (IQR)

68

(43)

47

(23)

0.41

 

61

(38)

53.5

(32)

0.73

HCWs,

Median (IQR)

95

(85)

94

(57)

0.90

 

95

(86)

95.5

(34)

0.86

HCWs per bed

Median (IQR)

1.4

(0.4)

1.6

(0.6)

0.27

 

1.4

(0.4)

1.4

(0.4)

0.83

NHs with IPC link nurse, N (%)

22

(81)

9

(75)

0.64

 

26

(79)

5

(83)

0.91

Resident influenza vaccination coverage,

Median (IQR)

84%

(20)

72%

(24)

0.30

 

84%

(20)

65.7%

(16)

0.04

HCWs’ influenza vaccination coverage,

Median (IQR)

27.4%

(28.5)

23.8%

(14.3)

0.83

 

25.8%

(23)

21.7%

(12)

0.72

NHs participating in campaign, N (%)

26

(96)

8

(67)

0.01

 

32

(97)

2

(33)

< 0.01

  1. NH: Nursing home, N: number, IQR: interquartile range, HCW: healthcare worker, IPC: infection prevention and control