Rapid Communication
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. May 28, 2008; 14(20): 3179-3182
Published online May 28, 2008. doi: 10.3748/wjg.14.3179
Table 1 Incidence of coprostasis and coproliths among groups (%)
Pathology classificationCoprostasis (n = 58)Coprolith (n = 6)
Acute33/294 (11.22)3/294 (1.02)
Subacute recurrent12/34 (35.20)1/34 (2.94)
Acute recurrent9/56 (16.07)1/56 (1.78)
Chronic3/28 (10.71)0/28 (0.00)
No inflammation1/15 (06.66)1/15 (6.66)
Table 2 Pathological findings
Acute (A: n = 294)Sub-acute recurrent (B: n = 34)Acute recurrent (C: n = 56)Chronic (D: n = 28)P
Gangrenous45000A vs B, P = 0.0101, A vs C, P = 0.0007
Perforated38000A vs B, P = 0.0199, A vs C, P = 0.0019
Peri-appendicitis2053283A vs B, P = 0.0001, A vs C, P = 0.0498
Abscess1400
Other
Oxyuriasis3000
Yersinia0110
Table 3 Forward stepwise regression analysis model, only age and coprostasis were among predictors in the final model
StepsDegrees of freedomF to removeP to removeF to enterP to enterEffect status
AgeStep number 134 472 0790 005 081Entered
Gender30 880 5680 453 150Out
Coprostasis33 277 1400 023 264Out
Coprolith30 681 6130 564 865Out
Other pathology31 437 5350 234 958Out
AgeStep number 23 447 2070 005 081In
Gender30 914 9890 435 791Out
Coprostasis33 039 2130 031 532Entered
Coprolith31 140 3160 335 493Out
Other pathology31 256 3810 292 311Out
AgeStep number 33 421 9180 007 020In
Coprostasis3 303 9210 031 532In
Gender30 729 3530 536 341Out
Coprolith31 119 1710 343 986Out
Other pathology31 059 9920 368 677Out