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Table 5 Color coding of medical waste

From: Assessment of medical waste management in seven hospitals in Lagos, Nigeria

Enquiry at each hospital A B C D E F G
Do you color-code your MW for disposal?
 Yes 13 (56.5) 37 (90.2) 9 (100.0) - 11 (100.0) 7 (100.0) 9 (90.0)
 No 7 (30.4) - - - - - -
 I don’t know 1 (4.3) 2 (4.9) - - - - -
 Non response 2 (8.7) 2 (4.9) - 4 -   1
 Total 23 (100.0) 41 (100.0) 9 (100.0) 4 (100.0) 11 (100.0) 7 (100.0) 10 (100.0)
Color coding for PW.
 Red 12 (52.2) 18 (43.9) 6 (66.7) - 9 (81.8) 5 (71.4) 6 (60.0)
 Yellow 7 (30.4) 16 (39.0) 3 (33.3) - 2 (18.2) 1 (14.3) 2 (20.0)
 Brown - 5 (12.2) - - - 1 (14.3) -
 Yellow with radioactive symbol - 2 (4.9) - - - -  
 I don’t know 1 (4.35)   -   - - 1 (10.0)
 Non response 3 (13.0)   - 4 (100.0) - - 1 (10.0)
 Total 23 (100.0) 41 (100.0) 9 (100.0) 4 (100.0) 11 (100.0) 7 100.0) 10 (100.0)
Color coding for IW
 Red 5 (21.7) 26 (63.4) 4 (44.4) - 3 (27.3) 3 (42.9) 4 (40.0)
 Yellow 5 (21.7) 11 (26.8) 5 (55.6) - 6 (54.5) 4 (57.1) 4 (40.0)
 Brown 2 (8.7) - - - - - -
 Yellow with radioactive symbol 6 (26.1) 1 (2.4) - - 2 (18.2) - 1 (10.0)
 I don’t know 1 (4.3) - - 2 (50.0) - - -
 Non response 4 (17.4) 3 (7.3) - 2 (50.0) - - 1 (10.0)
 Total 23 (100.0) 41 (100.0) 9 (100.0) 4 (100.0) 11 (100.0) 7 (100.0) 10 (100.0)
Color code for GW
 Red 1 (4.3) - - - - - -
 Brown 2 (8.7) 8 (19.5) 2 (22.2) - - 2 (28.6) -
 Black 15 (65.2) 17 (41.5) 7 (77.8) 4 8 (72.7) 3 (42.9) 7 (70.0)
 Non response 5 (21.7) 16 (39.0) - - 3 (27.3) 2 (28.6) 3 (30.0)
 Total 23 (100.0) 41 (100.0) 9 (100.0) 4 (100.0) 11 (100.0) 7 (100.0) y100.0)
  1. MW medical waste, PW pathological waste, IW infectious waste, GW general waste