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Table 1 Baseline demographics and CD4 cell count, by subtype

From: High prevalence of CXCR4 usage among treatment-naive CRF01_AE and CRF51_01B-infected HIV-1 subjects in Singapore

Patient characteristics

Subtype B (n=27), n (row %)

CRF01_AE (n=64), n (row %)

CRF51_01B (n=10), n (row %)

Others (n=9), n (row %)

P-value

Median age (median, IQR)

28.9 [6.6–38.1]

37.2 [29.1–46.4]

39.8 [29.9–41.2]

36.7 [36.3–49.3]

0.092

Male gender

25 (92.6)

55 (85.9)

9 (90.0)

8 (88.9)

0.919

Ethnicity

     

Chinese

18 (66.7)

54 (84.4)

9 (90.0)

7 (77.8)

0.227

Non-Chinese

9 (33.3)

10 (15.6)

1 (10.0)

2 (22.2)

 

Transmission risk

     

Heterosexual

8 (29.6)

37 (57.8)

1 (10.0)

4 (44.4)

0.003

MSM

14 (51.9)

24 (37.5)

5 (50.0)

3 (33.3)

 

Others

5 (18.5)

3 (4.7)

4 (40.0)

2 (22.2)

 

CD4 count at presentation (median, IQR)

416 [275–493]

263 [52–401]

167 [35–338]

248 [219–304]

0.092

  1. Abbreviations: IQR, interquartile range; MSM, men who have sex with men.
  2. a Blood transfusion, intravenous drug use (IVDU), bisexual.
  3. b Other subtypes: CRF02_AG, CRF34_01B, CRF07_BC, CRF33_01B, CRF15_01B.