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Table 4 Characteristics of patients by cholecystitis-related complications

From: Case series of cancer patients who developed cholecystitis related to immune checkpoint inhibitor treatment

Characteristic

Complications

(n = 6)

No complications

(n = 19)

ICI type, n (%)

 Anti–CTLA-4

1 (17)

7 (37)

 Anti–PD-1/L1

3 (50)

12 (63)

 Combination

2 (33)

0 (0)

Months from ICI to onset, median (IQR)

7 (1–10)

5 (0.1–31)

Positive infectious workup, n (%)

2 (33)

0 (0)

Peak biochemistry values, median (IQR)

 White blood cell count, cells/L

11 (5–16)

6 (1–33)

 Total bilirubin, mg/dL

1.5 (0.7–3.9)

1.3 (0.4–36.1)

 Direct bilirubin, mg/dL

0.9 (0.2–3.5)

1.1 (0.2–33.4)

 Alkaline phosphatase, IU/L

169 (34–579)

167 (61–1281)

 ALT, IU/L

39 (19–364)

62 (12–296)

Hospitalization, n (%)

5 (83)

10 (53)

Intravenous fluid, n (%)

6 (100)

11 (58)

Antibiotics, n (%)

6 (100)

12 (63)

Surgical treatment, n (%)

5 (83)

6 (32)

Duration of symptoms in days, median (IQR)

9 (5–17)

4 (1–14)

Restarted ICI therapy, n (%)

2 (33)

8 (42)

  1. ICI immune checkpoint inhibitor, IQR interquartile range, CTLA-4 cytotoxic T-lymphocyte associated antigen 4, PD-1/L1 programmed cell death protein 1 or its ligand, ALT alanine aminotransferase