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Table 1 Frequency of DSM-IV PDs among patients with schizophrenia using PDQ-4+ and SCID-II

From: Co-morbidity of personality disorder in schizophrenia among psychiatric outpatients in China: data from epidemiologic survey in a clinical population

 

PDQ-4+

SCID-II

N (%)

95 % CI

N (%)

95 % CI

aAny PDs

693 (81.53 %)

78.92 – 84.14 %

204 (24.00 %)

21.13 – 26.87 %

Any Cluster A PD

503 (59.18 %)

55.87 – 62.48 %

103 (12.12 %)

9.92 – 14.31 %

Paranoid PD (PAR)

334 (39.29 %)

36.01 – 42.58 %

65 (7.65 %)

5.86 – 9.43 %

Schizoid PD (SCH)

167 (19.65 %)

16.98 – 22.32 %

20 (2.35 %)

1.33 – 3.37 %

Schizotypal PD (SCHT)

314 (36.94 %)

33.70 – 40.19 %

37 (4.35 %)

2.98 – 5.72 %

Any Cluster B PD

424 (49.88 %)

46.52 – 53.24 %

32 (3.76 %)

2.49 – 5.04 %

Histrionic PD (HIS)

254 (29.88 %)

26.81 – 32.96 %

10 (1.18 %)

0.45 – 1.90 %

Narcissistic PD (NAR)

220 (25.88 %)

22.94 – 28.83 %

9 (1.06 %)

0.37 – 1.75 %

Borderline PD (BOR)

322 (37.88 %)

34.62 – 41.14 %

17 (2.00 %)

1.06 – 2.94 %

Antisocial PD (ANT)

215 (25.29 %)

22.37 – 28.22 %

2 (0.24 %)

0-0.56 %

Any Cluster C PD

580 (68.24 %)

65.11 – 71.37 %

102 (12.00 %)

9.82 – 14.18 %

Avoidant PD (AVO)

447 (52.59 %)

49.23 – 55.95 %

64 (7.53 %)

5.76 – 9.30 %

Dependent PD (DEP)

254 (29.88 %)

26.81 – 32.96 %

29 (3.41 %)

2.19 – 4.63 %

Obsessive-compulsive PD (OBC)

410 (48.24 %)

44.88 – 51.59 %

30 (3.53 %)

2.29 – 4.77 %

In the Appendix of DSM-IV

Passive-aggressive PD (PAG)

292 (34.35 %)

31.16 – 37.55 %

23 (2.71 %)

1.62 – 3.80 %

Depressive PD (DPS)

259 (30.47 %)

27.38 – 33.56 %

44 (5.18 %)

3.69 – 6.67 %

  1. aOnly includes 12 PDs as stated in the DSM-IV, not include PD not otherwise specified (PD NOS)