Table 5: Bacterial contamination of the hands before and after different hand hygiene techniques.

Places of Study Hand Washing Process Hand Hygiene Techniques (Finger Imprint) Using
Non-Antiseptic Soap for 10 Seconds Non-Antiseptic Soap for 30 Seconds Antiseptic Soap for 10 Seconds Antiseptic Soap for 30 Seconds Antiseptic Soap for 60 Seconds Alcohol Based Hand Rub
Reduction in CFUs (%)
CFUs % CFUs % CFUs % CFUs % CFUs % CFUs %
TMC Surgical
unit
B 128 19.9 169 17.8 133 27.8 27 51.9 121 74.4 100 95.0
A 129 139 96 14 21 5
TMC Medicine
Unit
B 120 21.7 216 13.9 119 29.4 87 83.9 150 94.0 130 98.5
A 94 186 84 14 15 2
TMC Dermatology
Unit
B 139 22.3 128 25.0 135 24.4 99 79.8 109 74.8 116 94.8
A 108 121 102 20 25 9
Average (%) 14.3 18.9 27.2 58.1 81.1 93.1
School B 122 10.7 133 12.0 79 15.2 150 56.0 58 77.6 123 90.2
A 109 117 67 84 13 12
Bank B 79 11.4 56 10.7 80 13.8 146 59.6 70 77.1 96 90.6
A 70 50 69 59 54 9
Office B 127 4.7 68 11.8 61 14.8 150 26.7 80 61.3 40 77.5
A 121 60 52 110 31 9
Average (%) 8.9 11.5 14.6 47.4 72.0 86.1

B, Before hand hygiene; A, After hand hygiene; CFUs, colony forming units (average of finger imprint).