Table 2. Patient characteristics at baseline.
| Author | Age (years) | Duration of symptoms (months) | NIH-CPSI total score | Pain subscore | Urinary subscore | QoL subscore |
|---|---|---|---|---|---|---|
| Lee 2008 (12) | 40.9±11.0 | 22.4±28.4 | 24.8 (6.2) | 11.4 (3.4) | 4.1 (3.7) | 9.3 (1.6) |
| Qin 2018 (23) | 33.8±6.9 | 24±8.4 | 28.0 (4.8) | 12.4 (2.8) | 6.1 (1.1) | 9.5 (1.5) |
| Sahin 2015 (24) | 32.1±7.2 | 9.6±3.5 | 27.0 (3.5) | 13.2 (2.3) | 4.6 (1.2) | 9.1 (1.5) |
| Zhou 2017 (25) | 31.7±6.2 | 32.4±39.3 | 26.7 (4.9) | 11.1 (2.8) | 5.8 (2.8) | 4.9 (1.2) |
| Zhou 2017* (25) | 31.4±7.0 | 24.3±27.9 | 17.2 (7.6) | 7.8 (3.5) | 3.3 (3.0) | 2.9 (1.4) |
| Chen 2003 (26) | 42.4 (range: 26–57) | 33 (range: 6–54) | 28.2 (4.8) | 14.1 (2.2) | 5.2 (2.5) | 8.8 (2.3) |
| Tugcu 2010 (27) | 38.3±9.4 | 4.5±2.1 | 26.6 (2.9) | 11.6 (2.2) | 5.0 (1.3) | 9.9 (1.3) |
*, Zhou compared two different types of acupuncture, this denote the second acupuncture group.