Table 1.

Prevalence of diabetes mellitus and/or hypertension, according to severity of CKD and agea

No. of Patients/Total No. of Patients
Cr CategoryDiabetes MellitusHypertensionDiabetes Mellitus and Hypertension
<65 Yr (n = 441)≥65 Yr (n = 1217)<65 Yr (n = 441)≥65 Yr (n = 1217)<65 Yr (n = 441)≥65 Yr (n = 1217)
aIn this and all other cohort analyses, evidence of diabetes mellitus and hypertension was ascertained as of the date the patient satisfied our criterion for chronic kidney disease (CKD). In this and all subsequent cohort analyses, the serum creatinine concentration (Cr) category was assigned on the basis of the first (earlier) of the two Cr values that defined the patient as having CKD.
bPearson χ2 coefficient for association between diabetes mellitus and Cr category = 14.450 (P = 0.002).
cPearson χ2 coefficient for association between diabetes mellitus and Cr category = 8.558 (P = 0.036).
dPearson χ2 coefficient for association between hypertension and Cr category = 10.213 (P = 0.017).
ePearson χ2 coefficient for association between hypertension and Cr category = 5.342 (P = 0.148).
fPearson χ2 coefficient for association between the presence of both diabetes mellitus and hypertension and Cr category = 15.336 (P = 0.002).
gPearson χ2 coefficient for association between the presence of both diabetes mellitus and hypertension and Cr category = 7.807 (P = 0.050).
<2.0 mg/dl (n = 1203)57/275b (21%)230/928c (25%)152/275d (55%)722/928e (78%)46/275f (17%)199/928g (21%)
2.0 to 2.9 mg/dl (n = 289)18/80b (23%)57/209c (27%)46/80d (58%)173/209e (83%)16/80f (20%)47/209g (22%)
3.0 to 3.9 mg/dl (n = 53)4/18b (22%)16/35c (46%)14/18d (78%)31/35e (89%)4/18f (22%)14/35g (40%)
≥4.0 mg/dl (n = 113)29/68b (43%)14/45c (31%)50/68d (74%)38/45e (84%)26/68f (38%)13/45g (29%)
All (n = 1658)108/441 (25%)317/1217 (26%)262/441 (59%)964/1217 (79%)92/441 (21%)273/1217 (22%)