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Table 1 Summary of the studies included in the systematic review and meta-analysis

From: Prophylactic cranial irradiation in small cell lung cancer: a systematic review and meta-analysis

Study

Age

Gender (male %)

Brain scan

Complete Response (%)

Extent of disease

Median FU (year)

PCI schedule (Gy/fraction)

N. of patients

        

PCI

No PCI

   
 

PCI

No PCI

PCI

No PCI

 

PCI

No PCI

LD %

ED %

LD %

ED %

   

Takahashi et al., 2017

69 (43–83)

69 (37–86)

84

88

yes

15

14

0

100

0

100

1

25/10

224

Schild et al., 2012

63 (34–79)

63 (37–80)

57

60

no

NC

NC

73

27

31

69

6

30/15; 25/10

739

Slotman et al., 2007

63 (37–75)

63 (39–75)

68

57

no

NC

NC

0

100

0

100

0.8

20–30/5–12

286

Laplanche et al., 1998

58 ± 8

57 ± 9

89

92

yes

100

83

17

86

14

5

24–30/8–15

211

Gregor et al., 1997

60 (37–79)

61 (28–76)

64

62

no

100

100

0

100

0

42

8–38/1–18

314

Arriagada et al., 1995

56 ± 9

57 ± 8

88

86

yes

100

83

17

79

21

8.3

24/8

294

Ohonoshi et al., 1993

62 (43–75)

66 (45–79)

65

83

yes

100

61

39

70

30

7.5

40/20

46

  1. PCI prophylactic cranial irradiation, FU follow up, N number, NC not clear, LD limited disease, ED extensive disease