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. 2020 Sep 3;10:14520. doi: 10.1038/s41598-020-71556-z

Table 1.

Patient background.

Surgical hand hygiene group Regular hand hygiene group p value
n = 259 n = 218
Diabetes (%) 14.3 16.5 0.52
Smoking (%) 18.5 15.6 0.46
Steroid (%) 1.5 1.4 1.00
Obesity (%) 41.3 44.5 0.51
Age (years) 62.8 ± 17.1 62.0 ± 16.5 0.64
Malnutrition (serum albumin: mg/dL) 3.97 ± 0.49 4.07 ± 0.42 0.14

Obesity: BMI > 25 kg/m2.

Data (age and malnutrition) are expressed as mean ± SD. Student’s t-tests, Mann–Whitney-U tests, and chi-squared tests were used to determine statistical significance. A p value < 0.05 was considered statistically significant.

BMI body mass index, SD standard deviation.