Table 1 Circulating adiponectin levels and risk of nasopharyngeal carcinoma in retrospective and prospective cohorts

Analysis 1: Retrospective follow-up, 2009–2015 (N = 284)^b

 Total

  No. of cases

52

43

37

  No. of controls

40

55

57

  Model 1^c

1.0 (ref)

0.60 (0.33–1.06)

0.49 (0.27–0.89)

  Model 2^d

1.0 (ref)

0.76 (0.39–1.46)

0.67 (0.34–1.32)

 Male

  Model 1^c

1.0 (ref)

0.62 (0.33–1.16)

0.45 (0.24–0.85)

  Model 3^e

1.0 (ref)

0.71 (0.35–1.43)

0.53 (0.26–1.08)

 Female

  Model 1^c

1.0 (ref)

0.46 (0.10–2.18)

1.25 (0.21–7.41)

  Model 3^e

1.0 (ref)

0.88 (0.19–6.09)

2.41 (0.25–23.03)

Analysis 2: Prospective follow-up, 2008–2016 (N = 213)^b

 Total

  No. of cases

28

25

18

  No. of controls

43

45

54

  Model 1^c

1.0 (ref)

0.84 (0.42–1. 67)

0.48 (0.23–1.01)

  Model 2^d

1.0 (ref)

1.04 (0.32–3.38)

0.26 (0.08–0.83)

 Male

  Model 1^c

1.0 (ref)

0.86 (0.38–1.93)

0.28 (0.10–0.80)

  Model 3^e

1.0 (ref)

0.39 (0.06–2.318

0.11 (0.01–0.70)

 Female

  Model 1^c

1.0 (ref)

0.92 (0.25–3.34)

0.88 (0.27–2.89)

  Model 3^e

1.0 (ref)

10.28 (0.59–179.22)

1.13 (0.18–6.88)