Table 2

Multiple linear regression analysis of variables affecting calprotectin concentrations in 312 patients taking non-steroidal anti-inflammatory drugs (NSAIDs)

VariableStandard error95% confidence intervalp Value
Age0.07−0.21 to 0.070.34
Sex2.04−2.38 to 5.670.42
Type of NSAID used0.53−2.04 to 0.080.07
Diagnosis0.73−0.75 to 2.130.35
Treatment with second line drug0.62−1.94 to 0.530.26
Treatment with gastroprotective agent1.40−1.91 to 3.670.54
Treatment with prednisolone3.25−6.83 to 5.970.90
  • Second line drugs used included sulfasalazine, methotrexate, gold, penicillamine, azathioprine, hydroxyurea, cyclophosphamide, and chlorambucil.

  • Gastroprotective agents used included histamine H2 receptor antagonists, proton pump inhibitors, and misoprostol, as shown in table1.