Medical Statistics. David Machin
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occur on the feet and can cause pain and discomfort when you walk. We will discuss the different types of data given in this paper.
Table 2.1 Baseline characteristics of participants in a randomised control trial of the effectiveness of salicylic acid plasters compared with ‘usual’ scalpel debridement of foot corns by treatment group
(Source: Farndon et al. 2013).
| Group | ||||||
|---|---|---|---|---|---|---|
| Corn plaster | Scalpel | |||||
| n | % | n | % | |||
| Gender | Male | 42 | (42%) | 42 | (42%) | |
| Female | 59 | (58%) | 59 | (58%) | ||
| Total | 101 | (100%) | 101 | (100%) | ||
| Centre | Central | 58 | (58%) | 52 | (52%) | |
| Manor | 13 | (13%) | 20 | (20%) | ||
| Jordanthorpe | 10 | (10%) | 14 | (14%) | ||
| Limbrick | 3 | (3%) | 6 | (6%) | ||
| Firth Park | 7 | (7%) | 4 | (4%) | ||
| Huddersfield | 5 | (4%) | 4 | (4%) | ||
| Darnall | 5 | (5%) | 1 | (1%) | ||
| Total | 101 | (100%) | 101 | (100%) | ||
| Smoking History | Non‐Smoker | 34 | (35%) | 40 | (40%) | |
| Previous Smoker | 22 | (22%) | 16 | (16%) | ||
| Current Smoker | 42 | (43%) | 43 | (43%) | ||
| Missing | 3 | (3%) | 2 | (2%) | ||
| Total | 101 | (100%) | 101 | (100%) | ||
| Number of corns evaluated | 1 | 48 | (48%) | 66 | (65%) | |
| 2 | 28 | (28%) | 23 | (23%) | ||
| 3 | 24 | (24%) | 12 | (12%) | ||
| Missing | 1 | (1%) | 0 | (0%) | ||
| Total | 101 | (100%) | 101 | (100%) | ||
| n | Mean | SD | n | Mean | SD | |
| Age | 101 | 58.5 | 15.6 | 101 | 59.7 | 17.5 |
| Size of index corn (mm) | 99 | 3.9 | 1.7 | 101 | 3.8 | 1.8 |
| VAS pain (0–10) | 100 | 5.7 | 2.9 | 101 | 4.9 | 3.0 |
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