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. 2014 Aug 24;14:74. doi: 10.1186/1471-2253-14-74

Table 1.

Average forces required to displace tubes both 2 cm and 5 cm or fixation failure

 
 Average force for 2 cm displacement (N)
 
 SolidAIRity®
 Thomas™
 Anchor Fast
 Tape & Mallinckrodt
 Twill & Mallinckrodt
 Tape & Securisyn tube
 Twill & Securisyn tube
Test point Mean Standard deviation Mean Standard deviation Mean Standard deviation Mean Standard deviation Mean Standard deviation Mean Standard deviation Mean Standard deviation
1
 209
 0.00
 31
 7.70
 96
 6.79
 85
 26.69
 50
 13.59
 107
 23.11
 50
 6.79
2
 175
 12.84
 58
 26.69
 83
 2.57
 61
 20.55
 47
 2.57
 82
 11.19
 73
 2.57
3
 90
 6.79
 55
 5.14
 46
 2.57
 82
 9.26
 50
 10.27
 79
 28.25
 62
 8.90
4
 172
 13.59
 65
 5.14
 71
 4.45
 96
 11.19
 55
 15.62
 93
 4.45
 61
 5.14
5
 74
 18.52
 82
 2.57
 65
 2.57
 67
 0.00
 50
 6.79
 68
 2.57
 83
 2.57
6
 193
 2.57
 68
 11.19
 86
 6.79
 98
 19.39
 40
 0.00
 108
 28.94
 79
 2.57
7
 162
 13.59
 85
 7.70
 70
 6.79
 82
 20.06
 44
 0.00
 79
 13.59
 99
 13.59
8
 200
 30.82
 98
 7.70
 92
 5.14
 132
 5.14
 50
 5.14
 96
 16.84
 55
 6.79
9
 113
 22.83
 58
 7.70
 67
 4.45
 67
 27.06
 40
 7.70
 89
 20.38
 80
 4.45
10
 156
 4.45
 68
 2.57
 59
 2.57
 65*
 13.59
 39
 2.57
 61*
 18.52
 52
 6.79
11
 225
 9.26
 53
 4.45
 73
 2.57
 83*
 29.62
 65
 2.57
 102*
 31.14
 64
 6.79
12
 224
 2.57
 85
 20.38
 89
 4.45
 77*
 14.30
 49
 23.11
 92*
 21.02
 59
 5.14
13
 148
 5.14
 71
 4.45
 62
 8.90
 64*
 11.19
 36
 0.00
 65
 9.26
 64
 5.14
Average
 165
 11.00
 67
 8.72
 74
 4.66
 81
 16.00
 47
 6.92
 84
 16.73
 68
 5.94
 
 Average force for 5 cm displacement or failure (N)
1
 215
 6.79
 82
 12.84
 147
 15.41
 144
 21.02
 129
 24.77
 138
 27.06
 145
 40.36
2
 203
 26.81
 83
 18.52
 130
 6.79
 95
 2.57
 104
 31.56
 120
 33.58
 245
 11.77
3
 233
 16.84
 96
 11.19
 129
 0.00
 136
 5.14
 99
 12.84
 179
 16.84
 197
 28.94
4
 234
 13.59
 113
 11.19
 153
 24.50
 175
 24.50
 120
 22.24
 175
 6.79
 202
 21.94
5
 234
 20.06
 129
 8.90
 178
 35.31
 163
 21.02
 87
 12.84
 154
 33.97
 199
 35.95
6
 212
 13.59
 101
 9.26
 86
 43.66
 128
 5.14
 87
 14.30
 142
 42.90
 190
 24.50
7
 218
 11.77
 133
 4.45
 190
 25.68
 162
 6.79
 107
 19.39
 193
 31.56
 227
 29.17
8
 228
 21.02
 130
 5.14
 165
 29.17
 157
 2.57
 130
 28.94
 194
 32.18
 176
 56.50
9
 231
 8.90
 99
 9.26
 130
 6.79
 87
 22.39
 85
 30.82
 128
 26.06
 254
 32.08
10
 251
 15.62
 99
 26.06
 123
 11.19
 65
 13.59
 133
 4.45
 61
 18.52
 205
 4.45
11
 283
 12.84
 93
 16.04
 99
 30.28
 83
 29.62
 126
 10.27
 102
 31.14
 258
 31.14
12
 289
 4.45
 136
 20.06
 98
 11.77
 77
 14.30
 86
 9.26
 92
 21.02
 135
 13.59
13
 273
 17.98
 135
 25.29
 83
 5.14
 64
 11.19
 90
 12.84
 122
 17.98
 128
 20.06
Average 239 14.64 110 13.71 132 18.90 118 13.83 107 18.04 138 26.12 197 26.96

Mean and standard deviation for all 3 measured force values, at all 13 test points, for 7 methods of ET tube restraint. Values listed in the last row of the table are the average values for all test point means and standard deviations.

*Indicates fixator failed before 2 cm displacement was reached.