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Table 1 Baseline characteristics in 22 patients. Values are reported as frequency (n [%]) or as mean (range)

From: The efficacy and safety of niraparib for ovarian cancer: a single-center observational study from China

Characteristic

Number of patients (percent)

Age, yrs

 Median age (range)

55 (39–77)

 ≤ 55

12 (54.5)

 > 55

10 (45.5)

Primary tumor location

 Ovary

21 (95.5)

 Fallopian tube

1 (4.5)

International FIGO stage

 II

2 (9.1)

 III

11 (50.0)

 IV

8 (36.4)

 Unknown

1 (4.5)

Histological type

 High-grade serous

19 (86.4)

 Low-grade serous

1 (4.5)

 Other

1 (4.5)

 Unknown

1 (4.5)

Family history of cancer

 Yes

9 (40.9)

 No

13 (59.1)

ECOG

 0

8 (36.4)

 1

13 (59.1)

 2

1 (4.5)

Baseline body weight

 ≥ 77 kg

0 (0)

 < 77 kg

22 (100)

Platelet count

 ≥ 150 × 109/L

12 (54.5)

 < 150 × 109/L

10 (45.5)

HRD status

 HRD-positive

6 (27.3)

  BRCA-mutated

1 (4.5)

  BRCA-wild type or BRCA-unknown and HRD-positive

5 (22.7)

 HRD-negative

8 (36.4)

 HRD unknown

8 (36.4)

Prior lines of chemotherapy

 ≤ 1

12 (54.5)

 > 1

10 (45.5)

Platinum status

 Platinum-sensitive

5 (22.7)

 Platinum-resistant

5 (22.7)

 Unknown

12 (54.5)

Categories of therapy

 First-line maintenance therapy

6 (27.3)

 Exploratory therapy

16 (72.7)

  Exploratory second-line maintenance therapy

1 (4.5)

  Exploratory front-line therapy

6 (27.3)

  Exploratory multi-line therapy

9 (40.9)

NACT+IDS

 Yes

7 (31.8)

 No

15 (68.2)

Primary debulking surgery

 Yes

12 (54.5)

 No

10 (45.5)

Secondary cytoreductive surgery

 Yes

3 (13.6)

 No

19 (86.4)

Combination with other agents

 Yes

4 (18.2)

 No

18 (81.8)

  1. Abbreviations: FIGO International Federation of Gynecology and Obstetrics, ECOG Eastern Cooperative Oncology Group, HRD homologous recombination deficiency, NACT Neoadjuvant chemotherapy, IDS Interval debulking surgery