Research Article

Implications of Regionalizing Care in the Developing World: Impact of Distance to Referral Center on Compliance to Biopsy Recommendations in a Brazilian Prostate Cancer Screening Cohort

Table 1

Baseline characteristics of men undergoing initial PC screening by Brazilian mobile medical units stratified by compliance to biopsy recommendation (n = 1,561) and PC details among compliant men who underwent biopsy (n = 318).

Baseline characteristicsCompliant menNoncompliant men
No. (%)
N = 1,131 (72.5)N = 430 (27.5)

Educational level attained
Illiterate279 (24.7)165 (38.4)<0.001
Incomplete primary729 (64.5)229 (53.3)
Complete primary86 (7.6)17 (4.0)
High school30 (2.7)15 (3.5)
College7 (0.6)4 (0.9)

Year of screening
2004230 (20.3)82 (19.1)<0.001
2005355 (31.4)80 (18.6)
2006333 (29.4)102 (23.7)
2007213 (18.8)166 (38.6)

Positive family history
PC56 (5.0)14 (3.3)0.15
Any cancer122 (10.8)33 (7.7)0.07
DRE suspicious of PC378 (33.4)84 (19.5)<0.001

Cancer status
Positive320 (37.7)
Negative530 (62.4)

Grade group
I (Gleason 2–6)207 (65.1)
II-III (Gleason 7)85 (26.7)
IV-V (Gleason 8–10)26 (8.2)

Clinical stage
Stage I237 (74.5)
Stage II42 (13.2)
Stage III16 (5.0)
Stage IV23 (7.2)

Mean (SD)
Age (years)66 (9.0)68 (9.3)<0.001

Median (IQR)
tPSA (ng/mL)4.2 (2.6–7.1)4.9 (3.5–7.7)<0.001
Distance from Barretos (km)225 (119–414)921 (333–1603)<0.001
Total number of positive cores@3 (2–5)
Total number of cores taken@12 (10–14)
Prostate volume (cc)@33 (25–46)
tPSA (ng/mL)@7 (4–16)

Statistical analyses: t-test; +chi-squared test; #rank-sum. DRE: digital rectal exam; IQR: interquartile range; km: kilometer; : value; PC: prostate cancer; tPSA: total serum prostate specific antigen (ng/mL). @Among 318 men with available data.