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Table 4 SMRs of lung cancer, stomach cancer, pneumonia, cerebrovascular disease and cardiac disease for each of ten percentile group

From: Correlation between the arsenic concentrations in the air and the SMR of lung cancer

 

Percentile groups

PTG 1–10

PTG 11–20

PTG 21–30

PTG 31–40

PTG 41–50

PTG 51–60

PTG 61–70

PTG 71–80

PTG 81–90

PTG 91–100

Range (ng/m3)

(<0.77)

(0.77–0.90)

(0.90–1.04)

(1.04–1.20)

(1.20–1.36)

(1.36–1.60)

(1.60–1.77)

(1.77–2.20)

(2.20–2.70)

(≥2.70)

SMR of lung cancer

 Men

SMR

1.009

0.921*

1.006

0.992

0.960*

0.961

1.016

1.045*

1.054*

1.134**

AMs/EMs

1397/1385

1478/1604

1266/1258

1125/1134

2472/2574

1198/1246

1708/1681

2355/2254

1433/1359

2380/2099

95% CI

0.957–1.064

0.875–0.967

0.952–1.064

0.935–1.052

0.923–0.998

0.908–1.016

0.969–1.066

1.003–1.089

1.000–1.112

1.089–1.184

 Women

SMR

1.036

0.993

1.028

0.974

1.018

1.028

1.111*

1.111*

1.117*

1.223**

AMs/EMs

552/533

584/588

477/464

409/420

923/907

471/458

681/613

930/837

594/532

978/800

95% CI

0.952–1.129

0.915–1.077

0.939–1.127

0.883–1.073

0.954–1.087

0.938–1.128

1.030–1.203

1.041–1.190

1.030–1.217

1.148–1.312

SMR of stomach cancer

 Men

SMR

1.028

0.959

0.969

1.087*

0.999

1.003

1.018

0.980

0.953

1.065*

AMs/EMs

1289/1254

1397/1457

1107/1143

1024/1034

2369/2372

1153/1149

1571/1543

2029/2070

1175/1233

2027/1904

95% CI

0.973–1.087

0.910–1.010

0.913–1.027

1.025–1.156

0.959–1.040

0.946–1.063

0.969–1.070

0.938–1.023

0.900–1.008

1.019–1.114

 Women

SMR

1.072

0.973

1.018

1.070

1.012

1.016

1.040

1.024

0.913*

1.044

AMs/EMs

761/710

765/786

629/618

598/559

1235/1220

627/617

855/822

1149/1122

647/709

1110/1063

95% CI

0.998–1.155

0.906–1044

0.941–1.102

0.987–1.163

0.957–1.071

0.939–1.100

0.972–1.114

0.966–1.086

0.845–0.983

0.984–1.109

SMR of pneumonia

 Men

SMR

0.948*

0.876 **

0.956

0.893 **

0.989

1.027

1.008

0.992

1.040

1.125**

AMs/EMs

1629/1717

1697/1937

1470/1538

1185/1326

2852/2885

1463/1425

1922/1907

2582/2602

1733/1666

2807/2495

95% CI

0.903–0.995

0.835–0.916

0.908–1.005

0.844–0.943

0.953–1.025

0.975–1.082

0.964–1.054

0.955–1.031

0.992–1.092

1.084–1.170

 Women

SMR

0.920*

0.872**

0.982

0.879**

1.045*

1.052

1.044

0.972

1.033

1.041

AMs/EMs

1432/1557

1407/1613

1269/1292

1031/1174

2479/2372

1316/1250

1720/1648

2218/2283

1582/1531

2371/2278

95% CI

0.873–0.967

0.828–0.916

0.929–1.038

0.828–0.933

1.005–1.088

0.997–1.113

0.995–1.096

0.932–1.012

0.983–1.087

1.000–1.085

SMR of cerebrovascular disease

 Men

SMR

0.973

0.971

0.966

1.037

0.944**

0.918**

0.955*

0.922**

0.943*

1.000

AMs/EMs

2540/2610

2905/2992

2279/2360

2159/2081

4390/4648

2086/2273

2910/3046

3799/4121

2406/2552

3873/3872

95% CI

0.936–1.011

0.936–1.007

0.927–1.006

0.994–1.083

0.916–0.972

0.879–0.957

0.921–0.990

0.893–0.951

0.904–0.980

0.969–1.032

 Women

SMR

0.975

0.989

1.008

1.045*

0.968*

0.913**

0.942*

0.930**

0.913**

0.978

AMs/EMs

2898/2973

3105/3139

2518/2499

2371/2268

4532/4680

2217/2429

3033/3220

4128/4441

2676/2931

4285/4380

95% CI

0.940–1.011

0.955–1.024

0.969–1.049

1.004–1.089

0.940–0.996

0.876–0.950

0.909–0.975

0.902–0.958

0.879–0.947

0.949–1.008

SMR of cardiac disease

 Men

SMR

1.013

0.982

0.995

1.013

0.945**

0.969

0.976

1.050**

0.949*

1.033*

AMs/EMs

2792/2756

3119/3175

2488/2501

2247/2219

4735/5012

2371/2447

3194/3274

4640/4419

2565/2703

4243/4109

95% CI

0.976–1.052

0.948–1.017

0.956–1.035

0.972–1.056

0.918–0.972

0.931–1.008

0.943–1.010

1.020–1.082

0.913–0.986

1.002–1.065

 Women

SMR

0.987

0.972

1.005

1.015

0.978

0.989

0.998

1.051**

0.966

1.024

AMs/EMs

2852/2889

2965/3051

2442/2431

2236/2204

4444/4543

2332/2358

3120/3127

4534/4313

2752/2850

4360/4259

95% CI

0.951–1.024

0.937–1.007

0.966–1.046

0.974–1.059

0.950–1.007

0.949–1.030

0.963–1.034

1.021–1.083

0.930–1.002

0.994–1.055

  1. *P = 0.05, **P = 0.01
  2. AMs, Actual mortalities; EMs, expected mortalities; 95% CI, 95% confidence interval
  3. The numbers under each PTG indicate the range in arsenic concentrations. The numbers of AMs or Ems are the average of 5 years (1999–1995)