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. 2020 Apr 8;15(3):224–231. doi: 10.1016/j.jtumed.2020.03.006

Table 2.

Risk factors influencing LH.

Characteristics N (%)
LH status
Present 80 39.7
Grade 1 46 22.8
Grade 2 27 13.4
Grade 3 7 3.5
Not present 122 60.3
Device used
Pen 147 72.8
Syringe 55 27.2
Total daily injections
1 39 19.3
2 88 43.6
3 18 8.9
4 53 26.2
5 4 2.0
Needle length
4 mm 124 61.4
5 mm 16 7.9
6 mm 5 2.5
8 mm 5 2.5
Don't know 52 25.7
Frequently changed needles/syringes
At every injection 120 60.3
At every 2–3 injections 38 19.1
At every 4–5 injections 30 15.1
When cartridge finished 11 5.5
Changing site of injections
A different site at every injection 128 63.7
A week at each site 24 11.9
Haphazardly 28 13.9
Using only one site 21 10.4
Injection site used
Abdomen 48 23.8
Thighs 94 46.5
Buttocks 4 2.0
Arm 56 27.7
Type of insulin
Basal-bolus 77 38.3
Basal insulin alone 25 12.4
Premixed regular insulin 66 32.8
Premixed insulin analogue 33 16.4
BMI
Normal 20 9.9
Overweight 48 23.8
Obese 134 66.3
Does the patient have swelling or lumps under the skin at the injection sites?
Yes 62 30.8
No 139 69.2
Does the patient inject into these swellings or lumps?
Always 4 6.8
Sometimes 27 45.8
Never 28 47.5
Does the patient clean their skin with disinfectant (e.g. an alcohol swab) before injecting?
Yes 149 73.8
No 53 26.2
Injecting insulin
Vertical 158 78.2
Horizontal 36 17.8
Haphazardly 8 4.0

Abbreviation: N: number.