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Table 1 Patient (n = 160) and tumor (n = 164) characteristics

From: DART-bid (Dose-differentiated accelerated radiation therapy, 1.8 Gy twice daily)–a novel approach for non-resected NSCLC: final results of a prospective study, correlating radiation dose to tumor volume

Age, years, median

66 (44–87)

Gender: m/f, n

119/41

Weightloss >5%/3 month, n (%)

38 (24)

Karnofsky Index, n (%)

 

 60

10 (6)

 70

72/45)

 80–100

78 (49)

Histology/cytology, n (%)

 

 Squamous cell carcinoma

104 (63)

 Adenocarcinoma

43 (26)

 NSC-n. o. s

17 (11)

AJCC-stage, n (%)

 

 I

38 (24)

 II

6 (4)

 III A

69 (43)

 III B

47(29)

Affiliation according PT-Ø, n (%)

 

 Group 1 (< 2.5 cm)

27 (17)

 Group 2 (2.5–4.5 cm)

94 (57)

 Group 3 (4.5–6.0 cm)

30 (18)

 Group 4 (> 6.0 cm)

13 (8)

Gross tumor volume (ccm, median/mean, range)

 

 Group 1

17/33 (2–167)

 Group 2

50/68 (9–492)

 Group 3

92/108 (50–205)

 Group 4

163/238 (105–572)

Tumor localisation, n (%)

 

 Central

44 (27)

 Peripheral

120 (73)

  1. Abbreviations: NSC-n.o.s. = Non small cell-not otherwise specified; AJCC = American Joint Commission on Cancer, PT-Ø = Primary tumor diameter (mean number of 3 perpendicular diameters).