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Table 3 Multivariable logistic analysis for the construction of diagnostic models

From: Development and external validation of a nomogram for neurosyphilis diagnosis among non-HIV patients: a cross-sectional study

  Development cohort Validation cohort
Multivariable P Multivariable P
Male 1·0 (0·3, 3·1) 0·954 1·5 (0·5, 4·5) 0·43
Psychiatric behaviour disorders 5·1 (1·7, 15·4) 0·004 1·4 (0·4, 4·5) 0·57
Serum TRUST
 Negative Ref   Ref  
  1 3·2 (0·6, 18·8) 0·194 8·7 (1·0, 75·0) 0·05
  8 7·9 (1·1, 54·5) 0·036 18·8 (1·7, 209·6) 0·02
  16 16·0 (2·6, 97·7) 0·003 45·0 (2·2, 937·4) 0·01
  32 33·6 (5·4, 209·7) < 0·001 inf· (0·0, Inf) 0·99
  64 71·9 (9·1, 570·0) < 0·001 60·0 (3·0, 1185.1) 0·01
  1. TRUST Toluidine red unheated serum test, IgG Immunoglobulin, CSF Cerebrospinal fluid