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Table 3 Second study period: analysis of factors that could influence the studied infusion pump variables

From: Smart pumps and random safety audits in a Neonatal Intensive Care Unit: a new challenge for patient safety

Period 2 (N measurements)

Birth weight (g)

Gestational age (w)

Sex

Day

Shift

Placement

(N 160)

(N 160)

(N 160)

(N 160)

(N 160)

(N 160)

<1500 (114/160)

≥1500 (46/160)

p

<32 (116/160)

≥32 (44/160)

p

Male (91/160)

Female (69/160)

p

Work day (105/160)

Holiday (55/160)

p

Morning (67/160)

Afternoon (93/160)

p

Large box (81/160)

Small box (79/160)

p

Type of line = central % (N 117)

72.81 (83/114)

73.91 (34/46)

1

73.28 (85/116)

72.73 (32/44)

1

63.74 (58/91)

85.51 (59/69)

0.002

74.29 (78/105)

70.91 (39/55)

0.7

68.66 (46/67)

76.43 (71/93)

0.28

62.96 (51/81)

83.54 (66/79)

0.004

% Pressure alarm programmed (N 160)

100 (114/114)

100 (46/46)

-

100 (116/116)

100 (44/44)

-

100 (91/91)

100 (69/69)

-

100 (105/105)

100 (55/55)

-

100 (67/67)

100 (93/93)

-

100 (81/81)

100 (79/79)

-

% Pressure alarm appropriate (N 132)

82.46 (94/114)

82.61 (38/46)

1

81.90 (95/116)

84.09 (37/44)

0.81

86.81 (79/91)

76.81 (53/69)

0.14

83.81 (88/105)

80 (44/55)

0.66

80.60 (54/67)

83.87 (78/93)

0.67

72.84 (59/81)

92.41 (73/79)

0.001

% VTI programmed (N 134)

85.09 (97/114)

80.43 (37/46)

0.48

84.48 (98/116)

81.82 (36/44)

0.81

91.21 (83/91)

73.91 (51/69)

0.004

80 (84/105)

90.91 (50/55)

0.11

83.58 (56/67)

83.87 (78/93)

1

85.19 (69/81)

82.28 (65/79)

0.67

% VTI appropriate (N 134)

85.09 (97/114)

80.43 (37/46)

0.48

84.48 (98/116)

81.82 (36/44)

0.81

91.21 (83/91)

73.91 (51/69)

0.004

80 (84/105)

90.91 (50/55)

0.11

83.58 (56/67)

83.87 (78/93)

1

85.19 (69/81)

82.28 (65/79)

0.67

% Infusion rate appropriate (N 160)

100 (114/114)

100 (46/46)

-

100 (116/116)

100 (44/44)

-

100 (91/91)

100 (69/69)

-

100 (105/105)

100 (55/55)

-

100 (67/67)

100 (93/93)

-

100 (81/81)

100 (79/79)

-

% Appropriate use (N 117)

75.44 (86/114)

67.39 (31/46)

0.32

75 (87/116)

68.18 (30/44)

0.42

81.32 (74/91)

62.32 (43/69)

0.01

71.43 (75/105)

76.36 (42/55)

0.57

71.64 (48/67)

74.19 (69/93)

0.72

64.20 (52/81)

82.28 (65/79)

0.01

  1. VTI: volume to infuse in a certain time