Clinical characteristics of patients who developed an infection during immunosuppressive treatment

No. (%)
Clinical characteristicsInfectionn = 29No infectionn = 50P
Cancer stagea0.386
 Stage III4 (14)12 (24)
 Stage IV24 (86)37 (76)
Malignancy type0.752
 Melanoma19 (66)36 (72)
 Solid tumor10 (34)13 (26)
 Hematologic0 (0)1 (2)
Immune checkpoint inhibitor type0.758
 Anti-CTLA-425 (86)41 (82)
 Anti-PD-1/L14 (14)9 (18)
Treatment for diarrhea or colitis0.483
 Steroids alone18 (62)26 (52)
 Steroids + infliximab11 (38)24 (48)
Mean length of steroid use (days, SD)80.4 (116)46.7 (34.5)0.063
Length of steroid use0.160
 Short duration (≤ 30 days)8 (28)22 (44)
 Long duration (> 30 days)21 (72)28 (56)
Diarrhea grade0.353
 Grade 13 (10)10 (20)
 Grade 2–426 (90)40 (80)
Colitis grade1.000
 Grade 111 (38)19 (38)
 Grade 2–318 (62)31 (62)

Abbreviations: CTLA-4, cytotoxic T-lymphocyte-associated protein-4; PD-1/L1, Programmed death-1/ligand 1; SD, standard deviation

aStage of cancer was documented in 28 patients with infection and 49 patients with no infection