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Table 2 Association between MCM2, Ki-67, and Gelsolin and Clinicopathological Characteristics in 128 Patients with NSCLC, RPCI, 1995–1999

From: Prognostic significance of MCM2, Ki-67 and gelsolin in non-small cell lung cancer

Clinicopathological Characteristics

Low MCM2 (n = 49)

High MCM2 (n = 79)

Low Ki-67 (n = 28)

High Ki-67 (n = 100)

Low GSN (n = 86)

High GSN (n = 42)

Gender

      

   Male

19 (38.8%)

51 (64.6%)**

13 (46.4%)

57 (57.0%)

42 (48.8%)

14 (33.3%)*

   Female

30 (61.2%)

28 (35.4%)

15 (53.6%)

43 (43.0%)

44 (51.2%)

28 (66.7%)

Race

      

   Caucasians

47 (95.9%)

73 (92.4%)

26 (92.9%)

94 (94.0%)

83 (96.5%)

37 (88.1%)

   Non-Caucasians

2 (4.1%)

6 (7.6%)

2 (7.1%)

6 (6.0%)

3 (3.5%)

5 (11.9%)

Mean age (SD) Smoking status

64.7 (9.2)

63.9 (11.6)

63.0 (10.9)

64.6 (10.7)

64.8 (9.6)

63.2 (12.8)

   Current

18 (36.7%)

35 (44.3%)

11 (39.3%)

42 (42.0%)

34 (39.5%)

19 (45.2%)

   Former

27 (55.1%)

37 (46.8%)

14 (50.0%)

50 (50.0%)

43 (50.0%)

21 (50.0%)

   Never

4 (8.2%)

7 (8.9%)

3 (10.7%)

8 (8.0%)

9 (10.5%)

2 (4.8%)

Mean pack-years (SD) (a)

47.9 (30.2)

46.4 (29.4)

45.6 (36.4)

47.4 (27.6)

44.6 (28.8)

51.9 (31.0)

Family history

      

   No

35 (71.4%)

52 (65.8%)

23 (82.1%)

64 (64.0%)

58 (67.4%)

29 (69.0%)

   Yes

14 (28.6%)

27 (34.2%)

5 (17.9%)

36 (36.0%)

28 (32.6%)

13 (31.0%)

Pathology Stage

      

   I

30 (61.2%)

45 (57.0%)

16 (57.1%)

59 (59.0%)

52 (60.5%)

23 (54.8%)

   II

15 (30.6%)

16 (20.2%)

8 (28.6%)

23 (23.0%)

22 (25.6%)

9 (21.4%)

   IIIA

4 (8.2%)

18 (22.8%)

4 (14.3%)

18 (18.0%)

12 (14.0%)

10 (23.8%)

Tumor size

      

   ≤3 cm

22 (45.8%)

27 (34.2%)

12 (42.9%)

37 (37.4%)

35 (41.2%)

14 (33.3%)

   >3 cm

26 (54.2%)

52 (65.8%)

16 (57.1%)

62 (62.6%)

50 (58.8%)

28 (66.7%)

Lymph node status

      

   Negative

34 (70.8%)

47 (59.5%)

18 (64.3%)

63 (63.6%)

58 (68.2%)

23 (54.8%)

   Positive

14 (29.2%)

32 (40.5%)

10 (35.7%)

36 (36.4%)

27 (31.8%)

19 (45.2%)

Histology

      

   Adenocarcinoma

41 (83.7%)

36 (45.6%)**

20 (71.4%)

57 (57.0%)

56 (65.1%)

21 (50.0%)*

   Squamous

3 (6.1%)

36 (45.6%)

6 (21.4%)

33 (33.0%)

23 (26.7%)

16 (38.1%)

   Large cell

2 (4.1%)

3 (3.8%)

1 (3.6%)

4 (4.0%)

5 (5.8%)

0 (0.0%)

   Others

3 (6.1%)

4 (5.1%)

1 (3.6%)

6 (6.0%)

2 (2.3%)

5 (11.9%)

Grade

      

   Well differentiation

1 (2.0%)

2 (2.5%)*

2 (7.1%)

1(1.0%)

1(1.1%)

2(4.8%)

   Mod. differentiation

25 (51.1%)

23 (29.1%)

13 (46.4%)

35 (35.0%)

33 (38.4%)

15 (35.7%)

   Poor differentiation

23 (46.9%)

54 (68.4%)

13 (46.4%)

64 (64.0%)

52 (60.5%)

25 (59.5%)

Performance Status

      

   Without symptom

32 (65.3%)

55 (69.6%)

21 (75.0%)

66 (66.0%)

61 (70.9%)

26 (61.9%)

   With symptom

17 (34.7%)

24 (30.4%)

7 (25.0%)

34 (34.0%)

25 (29.1%)

16 (38.1%)

Weight loss (b)

      

   No

43 (87.8%)

67 (84.8%)

24 (85.7%)

86 (86.0%)

76 (88.4%)

34 (81.0%)

   Yes

6 (12.2%)

12 (15.2%)

4 (14.3%)

14 (14.0%)

10 (11.6%)

8 (19.0%)

Mean survival in month (SD)

49.8 (28.0)

40.8 (25.7)

50.0 (31.3)

42.7 (25.4)

48.0 (26.6)

36.7 (26.1)*

  1. (a). Pack-years of smoking: packs of cigarette smoked per day multiplied by years of smoking;
  2. (b). Weight loss: ≥ 5% of total weight loss within 3 months prior to diagnosis.
  3. * p ≤ 0.05; **: p ≤ 0.01