Table 1 Patient characteristics

From: Neoadjuvant chemoradiotherapy plus sintilimab in proficient mismatch repair locally advanced rectal cancer with intermediate/high-immunoscore (SILAR): a single-arm phase II trial

Characteristics

Patients (n = 46)

Age, years, median (range)

59 (35–74)

Sex, n (%)

Male

28 (60.9)

Female

18 (39.1)

Immunoscore, n (%)

Intermediate

39 (84.8)

High

7 (15.2)

ECOG performance status, n (%)

0

19 (41.3)

1

27 (58.7)

Clinical T category, n (%)

cT3

30 (65.2)

cT4

16 (34.8)

Clinical N category, n (%)

cN0

2 (4.3)

cN1

24 (52.2)

cN2

20 (43.5)

Clinical disease stage, n (%)

II

2 (4.3)

III

44 (95.7)

CRM, n (%)

Positive

26 (56.5)

Negative

20 (43.5)

EMVI, n (%)

Positive

25 (54.3)

Negative

21 (45.7)

Distance from primary tumor to anal verge, n (%)

Median (range), cm

4.8 (2.1–9.7)

<5

24 (52.2)

5–12

22 (47.8)

Length of tumor lesion, cm, median (range)

4.3 (2.5–7.9)

Mismatch repair status, n (%)

dMMR

0

pMMR

46 (100)

Baseline CEA level, n (%)

Normal (<5 ng/mL)

26 (56.5)

Abnormal (≥5 ng/mL)

20 (43.5)

  1. CEA carcinoembryonic antigen, CRM circumferential resection margin, dMMR deficient mismatch repair, ECOG Eastern Cooperative Oncology Group, EMVI extramural vascular invasion, pMMR proficient mismatch repair.