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. 2023 Jul 4;25:114. doi: 10.1186/s13075-023-03086-8

Table 1.

Baseline characteristics of analysis set

Cases
N = 79,937
Controls
N = 318,206
Agea, median (IQR) 66.1 (57.4–74.8) 65.9 (57.3–74.6)
Sex, percentage female 64.0 64.0
Observational periodb, median (IQR) 2.9 (1.3–4.9) 3.2 (1.5–5.3)

BMIc in kg/m2, mean (SD)

(available for 21% of analysis set)

29.0 (5.6) 27.9 (5.9)

Smoking statusc, percentages

(available for 37% of analysis set)

 Current 19.6 29.0
 Never 49.1 46.8
 Past 31.3 24.2

Alcoholc units per day, mean (SD)

(available for 13% of analysis set)

0.8 (1.6) 0.9 (1.7)

aAge in years was calculated at the index date

bObservational period in years counted from the start of the observational period until the index date

cThe first recorded measure at, or after the start of the patients’ observational period was used. This corresponded best with the situation at baseline. Of BMI, smoking status, and alcohol use, there was only a limited availability of measurements in up to 37% of the analysis set