Table 3 Univariate analysis of trace elements and CIN2+ in Uyghur women
From: Serum Se, Ni, and As are associated with HPV infection and CIN2+ among Uyghur women in rural China
Trace Element | CIN < 2(N = 683) | CIN2+ (N = 150) | P |
|---|---|---|---|
n (%) | n (%) | χ2 | |
Ni (mg/kg) | Â | 47.795 | <0.001 |
 Q1 (0.0212~) | 170/24.89 | 78/52.00 |  |
 Q2 (0.0965~) | 171/25.04 | 32/21.33 |  |
 Q3 (0.1584~) | 171/25.04 | 14/9.33 |  |
 Q4 (0.2364~) | 171/25.04 | 26/17.33 |  |
Zn (μmol/L) |  | 7.137 | 0.068 |
 Q1 (26.4286~) | 170/24.89 | 51/34.00 |  |
 Q2 (80.7867~) | 171/25.04 | 39/26.00 |  |
 Q3 (105.5670~) | 171/25.04 | 21/14.00 |  |
 Q4 (130.4932~) | 171/25.04 | 39/26.00 |  |
Fe (mmol/L) | Â | 30.411 | <0.001 |
 Q1 (0.4357~) | 170/24.89 | 12/8.00 |  |
 Q2 (5.1895~) | 171/25.04 | 28/18.67 |  |
 Q3 (6.9153~) | 171/25.04 | 55/36.67 |  |
 Q4 (8.9919~) | 171/25.04 | 55/36.67 |  |
Cu (μmol/L) |  | 4.682 | 0.328 |
 Q1 (2.0900~) | 170/24.89 | 21/14.00 |  |
 Q2 (12.2423~) | 171/25.04 | 35/23.33 |  |
 Q3 (21.3933~) | 171/25.04 | 55/36.67 |  |
 Q4 (31.8862~) | 171/25.04 | 39/26.00 |  |
Mn (μmol/L) |  | 5.579 | 0.134 |
 Q1 (0.0100~) | 64/24.8 | 48/32.00 |  |
 Q2 (0.2093~) | 65/25.2 | 32/21.33 |  |
 Q3 (0.5493~) | 65/25.2 | 42/28.00 |  |
 Q4 (0.9396~) | 64/24.8 | 28/18.67 |  |
Cd (μmol/L) |  | 7.040 | 0.071 |
 Q1 (0.0025~) | 170/24.89 | 42/28.00 |  |
 Q2 (0.0224~) | 171/25.04 | 28/18.67 |  |
 Q3 (0.0359~) | 171/25.04 | 50/33.33 |  |
 Q4 (0.0543~) | 171/25.04 | 30/20.0 |  |
As (mg/kg) | Â | 48.707 | <0.001 |
 <0.02 | 341/49.93 | 28/18.67 |  |
  ≥ 0.02 | 342/50.07 | 122/81.33 |  |
Se (mg/kg) | Â | 80.567 | <0.001 |
 <0.02 | 302/44.22 | 127/84.67 |  |
  ≥ 0.02 | 381/55.78 | 23/15.33 |  |