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Table 1 The basic characteristics of the study subjects

From: Is BRD7 associated with spermatogenesis impairment and male infertility in humans? A case-control study in a Han Chinese population

Parameters

Patients

Controls

OZ (n = 173)

AZ (n = 142)

NZ (n = 995)

BMI (kg/m2)a

22.89 ± 2.25

22.76 ± 1.96

22.34 ± 2.67

SC (n × 106/ml)b

6.60 (2.55–10.86)

/

61.46 (40.95–91.88)

TSC (n × 106/ejaculate)b

15.88 (5.87–27.13)

/

212.07 (133.38–317.08)

Total molitility (PR + NP, %) b

38.24 (28.00–53.39)

/

64.56 (50.77–76.70)

FSH (mIU/ml) a

5.73 ± 3.69

8.77 ± 3.64

4.83 ± 1.73

LH (mIU/ml) a

5.72 ± 3.47

6.93 ± 2.88

4.87 ± 2.01

T (ng/ml) a

4.81 ± 1.59

4.52 ± 2.05

5.12 ± 1.63

  1. OZ oligozoospermia, AZ azoospermia, NZ normozoospermia, BMI Body mass index, SC Sperm concentration, TSC Total sperm count, PR progressive motility (grades a + b), NP non-progressive motility (grade c), FSH Follicle-stimulating hormone, LH Luteinizing hormone, T Testosterone. a Mean ± standard deviation, b Median and interquartile range