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Table 2 Summary of results of Kaplan-Meier survival analyses

From: The pathological features and prognoses of intraductal papillary mucinous neoplasm and mucinous cystic neoplasm after surgical resection: a single institution series

  Full cohort Full cohort Malignant Noninvasive
Total IPMN MCN IPMN MCN IPMN MCN
Overall survival
 At risk, (n) 245 218 27 93 8 125 19
 Median time, months (IQR) 34 (19–61) 38.5 (20–63) 24 (16–25) 35 (19–63) 20 (13–23.5) 42 (20–64) 20 (16–26)
 Deaths, % (n) 2.9% (7) 2.8% (6) 3.7% (1) 6.5% (6) 12.5% (1) 0% (0) 0% (0)
 1-year, % 98% 98.75% 95.7% 97.1% 87.5% 100% 100%
 3-year, % 95.9% 98.75% 95.7% 94.2% 87.5% 100% 100%
 5-year, % 93% 97.5% 95.7% 91.3% 87.5% 100% 100%
 Log-rank, (p)   p = 0.48 p = 0.33 p = 1.0
Disease-free survival
 At risk, (n) 245 218 27 93 8 125 19
 Median time, months (IQR) 24 (16–53) 26 (17–54) 20 (14–25) 23 (14–52) 18 (8–24) 30 (19–58) 20 (16–26)
 Recurrence, % (n) 15.1% (37) 15.6% (34) 11.1% (3) 23.7% (22) 37.5% (3) 9.6% (12) 0% (0)
 1-year, % 86.4% 85.7% 91.3% 75.3% 75.0% 94% 100%
 3-year, % 81.8% 81.1% 87.0% 74.0% 62.5% 90% 100%
 5-year, % 81.3% 80.6% 87.0% 71.4% 62.5% 88% 100%
 Log-rank, (p)   p = 0.67 p = 0.27 p = 0.2
  1. IQR interquartile range, p p value, MCN mucinous cystic neoplasm, IPMN intraductal papillary mucinous neoplasm