Table 1.
Characteristics of Participants at the Time of an Episode of Cystitis.*
| Characteristic | Value |
|---|---|
| Total no. of episodes | 202 |
| Median age (range) — yr | 22 (18–49) |
| Race or ethnic group — no./total no. (%)† | |
| White | 147/200 (73) |
| Black | 6/200 (3) |
| Asian or Pacific Islander | 25/200 (12) |
| Hispanic | 8/200 (4) |
| Other | 14/200 (7) |
| No. of sex partners in the past month — no. (%) | |
| 0 | 14(7) |
| ≥1 | 188 (93) |
| Symptoms at clinic visit for cystitis episode — no. (%) | |
| Dysuria or urinary frequency or urgency | 202 (100) |
| Dysuria | 199 (99) |
| Urinary frequency | 197 (98) |
| Urinary urgency | 193 (96) |
| ≥1 Symptoms rated as moderate or severe — no./total no. (%) | 170/176 (97) |
| Median duration of urinary symptoms before presentation (range) — days‡ | 2 (<1–14) |
| Pyuria in midstream urine— no./total no. (%) | |
| Any episode | 160/182 (88) |
| Episode with any bladder bacteriuria | 122/126 (97) |
| Episode with Escherichia coli bladder bacteriuria | 106/109 (97) |
*
All participants with symptoms of cystitis provided specimens of midstream urine, after which paired specimens of catheter urine for culture were collected.
†
Race or ethnic group was self-reported.
‡
One woman had mild symptoms of urinary tract infection for 14 days before enrollment. All the other participants had a symptom duration of 1 week or less; 60% had symptoms for 1 to 2 days.