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Table 1 Participant characteristics

From: Preserved seasonal variation in glycemic control in patients with type 2 diabetes mellitus during COVID-19: a 3-year-long retrospective cohort study in older adults in Japan

Parameters

Values

Participant number, N

86

 Male, n (%)

57 (66.3)

Age (years), mean ± SD

 Total

69.6 ± 9.2

 Men

71.0 ± 9.1

 Women

68.0 ± 9.3

Race, n (%)

 Japanese

86 (100)

Duration of DM (year), median (IQR; range)

13.5 (9–23; 1–50)

Current smoker, n (%)

31 (36.0)

Alcohol drinker, n (%)

22 (25.6)

Low income, n (%)

0 (0)

Complications, n (%)

 Diabetes-related neuropathy

43 (50.0)

 Diabetes-related retinopathy

22 (25.6)

 Diabetes-related nephropathy

33 (38.4)

 Hypertension

57 (66.3)

 Dyslipidemia

49 (57.0)

 Cardiovascular disease

24 (27.9)

Lifestyle modifications after COVID-19, n (%)

 Overall activity

25 (29.1)

 Increased food intake

12 (14.0)

 Decreased exercise

20 (23.3)

  1. The data of parameters (age, duration of DM, and complications) were obtained in March 2019. Surveillance of patients’ lifestyle modifications after COVID-19 prevalence was performed in December 2021. Data showing normal distribution are presented as means ± SDs or numbers with percentages. The data showing non-normal distribution are presented as median (IQR; range)
  2. Abbreviations: DM diabetes mellitus, SD standard deviation, IQR interquartile range