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Table 4 Adherence to study requirements (collection of swabs and diaries on a daily basis) of patients and healthcare worker enrolled in prospective surveillance of influenza infection, 2015/2016 influenza season

From: The TransFLUas influenza transmission study in acute healthcare - recruitment rates and protocol adherence in healthcare workers and inpatients

 

Department

 

All departments

Pulmonology

Hematology

Internal Medicine

P-value

Days in study

 Total patients

2321

920

788

613

n.a.

 Median days in study per patient, range

8 (3–77)

9 (3–77)

8 (3–65)

8 (3–34)

0.83

 Total HCWs

5553

1587

1774

2096

n.a

 Median days in study per HCW, range

96 (71–96)

96 (71–96)

96 (79–96)

96 (80–96)

0.45

  Nurses

96 (93–96)

96 (94–96)

96 (93–96)

96 (96–96)

0.91

  Physicians

82 (71–96)

82 (71–92)

85 (79–88)

80 (80–80)

0.79

Swabs

Patients

  Total number of swabs in study

1469

592

471

406

n.a.

  Median number of swabs per patient, range

5 (0–68)

4.5 (0–68)

5 (0–49)

5 (0–26)

0.84

  Total number of swabs in hospital

1430

568

461

401

n.a.

  Median number of swabs abs in hospital, range

4 (0–68)

4 (0–68)

5 (0–49)

5 (0–26)

0.73

  Total number of swabs after discharge

39

24

10

5

n.a.

  Median number of swabs after discharge, range

0 (0–4)

0 (0–4)

0 (0–3)

0 (0–2)

0.53

  Swabs per day in study, %

60 (0–100)

60 (0–100)

60 (0–100)

60 (0–90)

0.86

  Swabs per day in hospital, %

83 (0–100)

80 (0–100)

84 (0–100)

85 (0–100)

0.97

HCWs

  Total number of swabs in study

3513

787

1244

1390

n.a

  Median number of swabs in study, range

69 (0–96)

42 (0–96)

69 (18–96)

77.5 (0–92)

0.29

  Swabs per day in study, %

62 (0–100)

49 (0–100)

70 (20–100)

66 (0–96)

0.26

  Nurses

   Total number of swabs in study

3150

694

1066

1390

n.a

   Median number of swabs in study, range

75 (0–96)

65 (0–96)

71 (22–96)

78 (8–92)

0.56

   Swabs per day in study, %

67 (0–100)

56 (0–100)

74 (23–100)

69 (8–96)

0.56

  Physicians

   Total number of swabs in study

339

69

178

0

n.a

   Median number of swabs in study, range

36 (0–92)

27 (0–42)

48.5 (18–63)

0

0.25

   Swabs per day in study, %

43 (0–96)

26 (0–46)

53 (20–74)

0

0.25

Diaries

Patients

  Total number of diaries in study

1470

593

471

406

n.a.

  Median number of diaries in study, range

5 (0–68)

4.5 (0–68)

5 (0–49)

5 (0–26)

0.85

  Total number of diaries in hospital, total

1431

569

461

401

n.a

  Median number of diaries in hospital, range

4 (0–68)

4 (0–68)

(0–49)

5 (0–26)

0.75

  Total number of diaries after discharge, total

39

24

10

5

n.a

  Median number of diaries after discharge, range

0 (0–4)

0 (0–4)

0 (0–3)

0 (0–2)

53

  Diaries per day in study, %

60 (0–100)

60 (0–100)

60 (0–100)

60 (0–90)

0.86

  Diaries per day in hospital, %

83 (0–100)

80 (0–100)

84 (0–100)

85 (0–100)

0.97

HCWs

  Total number of diaries in study

3661

849

1275

1444

n.a.

  Median number of diaries in study, range

72 (0–96)

49 (0–96)

72 (18–96)

83 (0–94)

0.30

  Diaries per day in study, %

77 (0–100)

53 (0–100)

77 (20–100)

86 (0–98)

0.27

  Nurses

   Total number of diaries in study

3275

740

1091

1444

n.a

   Median number of diaries in study, range

78 (0–96)

69 (0–96)

75 (24–96)

83 (8–94)

0.59

   Diaries per day in study, %

81 (0–100)

73 (0–100)

78 (25–100)

86 (8–98)

0.57

  Physicians

   Total number of diaries in study

361

84

184

0

n.a

   Median number of diaries in study, range

37 (0–93)

35 (0–49)

49 (18–68)

0

0.25

   Diaries per day in study, %

47 (0–97)

43 (0–53)

60 (20–77)

0

0.25

  1. Abbreviations: n.a. not applicable, HCWs healthcare workers