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Table 1 Characteristics of RCTs Included in the meta-analysis

From: Concurrent chemoradiotherapy was associated with a higher severe late toxicity rate in nasopharyngeal carcinoma patients compared with radiotherapy alone: a meta-analysis based on randomized controlled trials

Study

No. of patients

Inclusion period

Stage

Median follow-up (Ms)

Group

Radiotherapy

CCRT

AC

Lee et al. (2011) [19]

93

1999-2004

AJCC stage T3-4 N0-1 M0

75

CCRT + AC

≥66 Gy (2 Gy/Fx/d, 5Fx/wk)

Cisplatin 100 mg/m2 intravenously every 3 weeks

Cisplatin 80/m2 + fluorouracil 1000 mg/m2/day by 96-h infusion every 4 weeks for 3 cycles.

RT

Lee et al. (2010) [21]

348

1999–2004

AJCC stage III and IV, any T, N2 or N3, M0

71

CCRT + AC

≥66 Gy (2 Gy/Fx/d, 5Fx/wk)

Cisplatin 100 mg/m2 every 3wks on days 1,22,43

Cisplatin 80 mg/m2 + fluorouracil 1000 mg/m2/d every 4 wks on days 71,99 and 127

RT

Chen et al. (2013) [18]

316

2002-2005

AJCC stage III and IVb

70

CCRT + AC

≥66 Gy (2 Gy/Fx/d, 5Fx/wk)

Cisplatin 40 mg/m2 on day 1 weekly

Cisplatin 80 mg/m2 on day 1 and fluorouracil 800 mg/m2 daily as an intravenous, 120-hour infusion) on days 1 through 5

RT

Chen et al. (2011) [20]

230

2003-2007

Chinese 1992 staging system stage II

60

CCRT

68–70 Gy (2Gy/Fx/d, 5Fx/wk)

Cisplatin 30 mg/m2 weekly

none

RT

Wu et al. (2013) [17]

115

2001-2003

AJCC stage III and IVb

114

CCRT

70-74Gy (2Gy/Fx/d, 5Fx/wk)

Oxaliplatin70 mg/m2 on days 1 every week

none

RT