Skip to main content

Table 3 The Surveillance, Epidemiology, and End Results (SEER) staging of cancer in SLE patients (n = 10,013)

From: Cancer incidence and the influence of immunosuppressive agents in Korean patients with systemic lupus erythematosus: a retrospective cohort study

Stage

N (%)

Incidence rate per 10,000 (n/PYs)a

95% CI

All cancer

368 (100.0)

59.07

(53.04 –65.11)

 Localized

187 (50.8)

30.02

(25.71 –34.32)

 Regional

104 (28.3)

16.69

(13.49 –19.90)

 Distant

43 (11.7)

6.90

(4.84–8.97)

 Unknown

34 (9.2)

5.46

(3.62–7.29)

Solid cancer

337 (100.0)

54.09

(48.32–59.87)

 Localized

176 (52.2)

28.25

(24.08–32.42)

 Regional

100 (29.7)

16.05

(12.91–19.20)

 Distant

30 (8.9)

4.82

(3.09–6.54)

 Unknown

31 (9.2)

4.98

(3.22–6.73)

Hematologic cancer

36 (100.0)

5.78

(3.89–7.67)

 Localized

14 (38.9)

2.25

(1.07–3.42)

 Regional

4 (11.1)

0.64

(0.01–1.27)

 Distant

14 (38.9)

2.25

(1.07–3.42)

 Unknown

4 (11.1)

0.64

(0.01–1.27)

  1. PY person-years, CI confidence interval
  2. aThe observation period for each cancer type was standardized to 62,268.5 PYs. SLE, systemic lupus erythematosus