Table 1

Basic characteristics of study participants (male sugarcane cutters) from Nicaragua and El Salvador

NicaraguaEl Salvador
Burned cane cutters, n (%)200 (56)98 (100)
Seed cutters, n (%)160 (44)0 (0)
Age, median (IQR)28 (23–33)32 (25–39)
Weight in kg, median (IQR)64 (59–71)65 (57–75)
Height in cm, median (IQR)166 (161–171)165 (162–170)
Serum creatinine mg/dL, median (IQR)Before harvest1.00 (0.88–1.12)0.84 (0.78–0.96)
End of harvest1.00 (0.89–1.17)0.88 (0.81–0.98)
Serum cystatin C mg/L, median (IQR)Before harvest1.10 (1.00–1.25)0.92 (0.82–1.10)
End of harvest1.12 (1.00–1.25)0.92 (0.82–1.21)
eGFRcr<60 mL/min/1.73 m2, n (%)Before harvest3 (1)9 (9)
End of harvest10 (3)9 (13)
eGFRcys<60 mL/min/1.73 m2, n (%)Before harvest55 (15)14 (14)
End of harvest60 (20)13 (19)
eGFRcrcys<60 mL/min/1.73 m2, n (%)Before harvest15 (4)10 (10)
End of harvest31 (10)10 (15)
  • eGFRcr, estimated glomerular filtration rate based on creatinine; eGFRcrcys, estimated glomerular filtration rate based on both creatinine and cystatin C; eGFRcys, estimated glomerular filtration rate based on cystatin C.