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. 2007 Feb 20;7:31. doi: 10.1186/1471-2407-7-31

Table 3.

DSS by patient characteristics with Cox and Log normal analysis1

Group A – Low risk characteristics:
(complete resection, hemoglobin: ≥ 100 for both sexes, no lymph node involvement, no SVC obstruction)
Estimated disease-specific survival probabilities (in per cent, with 95% confidence intervals, CI) at 1, 3, and 5 years by different methods

Methods: 1 3 5

Cox 94 (87,97) 65 (38,82) 58 (31,78)
Log-normal survival analysis 98 (87,99.9) 82 (46,97) 64 (26,92)

Group B – Intermediate risk #1: (incomplete or no resection, hemoglobin: ≥ 100 for both sexes, no lymph node involvement, no SVC obstruction)

Estimated disease-specific survival probabilities (in per cent, with 95% confidence intervals, CI) at 1, 3, and 5 years by different methods

Methods: 1 3 5

Cox 91 (85,95) 52 (33,68) 45 (26,62)
Log-normal survival analysis 95 (77,99) 67 (32,91) 45 (16,78)

Group C – Intermediate risk #2: (incomplete or no resection, hemoglobin: < 100 for both sexes, no lymph node involvement, no SVC obstruction)

Estimated disease-specific survival probabilities (in per cent, with 95% confidence intervals, CI) at 1, 3, and 5 years by different methods

Methods: 1 3 5

Cox 78 (31,95) 16 (0,67) 11 (0,62)
Log-normal survival analysis 84 (55,97) 42 (14,76) 23 (5,56)

Group D – High risk characteristics: (no resection, hemoglobin: < 100 for both sexes, lymph node involvement, SVC obstruction)

Estimated disease-specific survival probabilities (in per cent, with 95% confidence intervals, CI) at 1, 3, and 5 years by different methods

Methods: 1 3 5

Cox 66 (19,90) 5 (0,48) 3 (0, 41)
Log-normal survival analysis 67 (27,93) 22 (4,40) 9 (1,38)

1 The subgroups contained a total of 8 patients and 4 events.