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Table 3 Baseline characteristics of study population according to initial NRT taken

From: General practitioner prescribing of single and combination nicotine replacement therapy in the UK: a retrospective database study

Characteristic All people Patch only Patch and gum Patch and tablet Patch and inhalator Patch and lozenge Patch and oral spray Patch and nasal spray ≥3 types NRT
  N= 38,954 N= 25,046 N= 7,822 N= 411 N= 7,822 N= 1,593 N= 270 N= 129 N= 1,547
Age (years)                   
Minimum, maximum 18.00 96.00 18.00 96.00 18.00 86.00 18.00 83.00 18.00 91.00 18.00 88.00 18.00 80.00 18.00 77.00 18.00 84.00
Mean, standard deviation 42.95 15.74 42.89 16.04 40.79 14.31 44.27 15.06 43.13 15.28 44.10 15.56 40.03 14.47 43.04 14.19 44.92 15.21
Median 42.00   41.00   40.00   44.00   42.00   44.00   39.00   42.00   44.00  
Lower quartile, upper quartile 30.00 55.00 29.00 55.00 29.00 51.00 32.00 55.00 30.00 55.00 31.00 56.00 27.00 52.00 32.00 54.00 32.00 58.00
Gender (n,%)                   
Male 19,373 49.73% 12,622 50.40% 1,140 53.37% 193 46.96% 3,688 47.15% 796 49.97% 135 50.00% 81 62.79% 718 46.41%
Female 19,581 50.27% 12,424 49.60% 996 46.63% 218 53.04% 4,134 52.85% 797 50.03% 135 50.00% 48 37.21% 829 53.59%
Co-morbidities (n,%)                   
Cardiovascular disease 2,538 6.52% 1,687 6.74% 94 4.40% 27 6.57% 490 6.26% 82 5.15% 14 5.19% 7 5.43% 137 8.86%
Asthma 5,787 14.86% 3,647 14.56% 318 14.89% 58 14.11% 1,211 15.48% 216 13.56% 49 18.15% 23 17.83% 265 17.13%
Chronic obstructive airways disease 2,944 7.56% 1,838 7.34% 121 5.66% 34 8.27% 631 8.07% 135 8.47% 22 8.15% 8 6.20% 155 10.02%
Diabetes (type I or II) 1,816 4.66% 1,096 4.38% 107 5.01% 18 4.38% 393 5.02% 89 5.59% 11 4.07% 7 5.43% 95 6.14%
Stroke 540 1.39% 371 1.48% 22 1.03% 6 1.46% 96 1.23% 14 0.88% 1 0.37% 1 0.78% 29 1.87%