Table 2 Clinical characteristics of PCMs categorized based on tumor type*.

Patients No. (%)

17 (10.1)

68 (40.5)

58 (34.5)

25 (14.9)

168

—

—

Female sex (%)

14 (82.4)

55 (80.9)

49 (84.5)

20 (80.0)

138 (82.1)

0.895

0.784

Patient age, yrs

46.2 ± 10.5

49.5 ± 9.8

50.0 ± 10.5

53.7 ± 9.1

49.9 ± 10.5

1.543

0.365

Tumor size, mm

43.0 ± 10.4

42.6 ± 10.3

44.7 ± 10.6

47.35 ± 10.4

44.0 ± 10.6

8.456

0.004^†

CS invasion (%)

3 (17.6)

23 (33.8)

19 (32.8)

14 (56.0)

59 (35.1)

6.178

0.013^†

NVS** encasement (%)

7 (41.2)

30 (44.1)

27 (46.6)

14 (56.0)

78 (46.4)

0.889

0.546

Brainstem edema (%)

3 (17.6)

15 (22.1)

24 (41.4)

6 (24.0)

48 (28.6)

4.282

0.039^†

Hydrocephalus (%)

6 (35.3)

26 (38.2)

23 (39.7)

9 (36.0)

64 (38.1)

0.039

0.844

GTR (%)

13 (76.5)

51 (75.0)

39 (67.2)

16 (64.0)

119 (70.8)

10.126

0.001^†

STR (%)

3 (17.6)

13 (19.1)

14 (24.1)

7 (28.0)

37 (22.0)

9.813

0.002^†

Surgical duration, hrs

5.8 ± 1.2

6.2 ± 1.7

6.5 ± 2.1

7.2 ± 2.2

6.4 ± 1.8

4.292

0.006^†

Postoperative LOS, dys

13.6 ± 8.3

14.4 ± 8.9

15.3 ± 8.0

17.2 ± 9.0

15.1 ± 8.6

2.873

0.017^†

Postoperative complications (%) (n = 166)

4 (23.5)

18 (26.9)

16 (28.1)

8 (32.0)

46 (27.7)

0.516

0.472

Postoperative morbidity (%) (n = 166)

5 (29.4)

26 (38.8)

25 (43.9)

12 (48.0)

68 (40.5)

2.550

0.026^†

Preoperative KPS score

75.3 ± 13.4

72.6 ± 13.2

71.8 ± 13.5

75.1 ± 13.3

73.7 ± 13.6

1.584

0.213

Preoperative excellent QOL (%)

7 (41.2)

29 (42.6)

25 (43.1)

11 (44.0)

72 (42.9)

0.143

0.893

Postoperative KPS score

62.2 ± 15.1

58.9 ± 16.3

59.5 ± 15.7

53.4 ± 16.4

58.5 ± 15.8

6.274

0.038^†

Postoperative excellent QOL (%)

3 (17.6)

10 (14.9)

8 (13.8)

3 (12.0)

24 (14.5)

2.156

0.617

Follow-up KPS score

82.5 ± 9.1

80.9 ± 11.3

80.2 ± 11.8

79.8 ± 10.7

80.9 ± 10.6

0.708

0.533

Follow-up excellent QOL (%)

11 (68.8)

42 (64.6)

35 (63.6)

15 (65.2)

103 (64.7)

0.834

0.329

Follow-up patients No. (%)

16 (94.1)

65 (95.6)

55 (94.8)

23 (92.0)

159 (95.8)

1.356

0.237

Follow-up alive patients No. (%)

14 (82.4)

60 (89.6)

52 (91.2)

22 (88.0)

148 (89.2)

2.713

0.184

Follow-up median duration, mos

89.2

84.6

87.8

83.7

86.5

3.187

0.435

Follow-up morbidity (%) (n = 148)

4 (28.6)

15 (25.0)

14 (26.9)

6 (27.3)

39 (26.4)

1.154

0.159

Recurrence/Progression (%) (n = 148)

3 (21.4)

15 (25.0)

14 (26.9)

9 (40.9)

41 (27.7)

5.804

0.015^†