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Table 1 Patient characteristics

From: PIK3CA mutations associated with a poor postoperative prognosis in patients with pulmonary pleomorphic carcinoma: a retrospective cohort study

Characteristics

Number of patients (n = 55)

Demographic

 Age: median (years)

65

 Male sex: n (%)

41 (75)

 Current/Former Smoker: n (%)

46 (84)

Pathological Stage: n (%)

 I

10 (18)

 II

23 (42)

 III

21 (38)

 IV

1 (2)

Diagnostic procedure: n (%)

 Surgery

54 (98)

 Bronchoscopic biopsy

1 (2)

Surgical procedure: n (%)

 Segmentectomy

2 (4)

 Lobectomy

33 (60)

 Pneumonectomy

5 (9)

 Bilobectomy

4 (7)

 Lobectomy with combined resection

11 (20)

Epithelial components: n (%)

 Adenocarcinoma

39 (71)

 Squamous cell carcinoma

11 (20)

 Large cell carcinoma

1 (2)

 Large cell neuroendocrine carcinoma

1 (2)

PD-L1 staining: n (%)

  < 1%

3 (5)

 1–49%

12 (22)

  ≥ 50%

40 (73)

Relapse after surgery: n (%)

 No relapse

27 (49)

 Relapse after surgery

28 (51)

Survival status at last follow-up: n (%)

 Alive, no evidence of disease

40 (73)

 Died of disease

15 (27)

 Overall survival after surgery: median (days)

893

 Relapse free survival after surgery: median (days)

562

  1. PD-L1 Programmed cell death-ligand 1