TABLE 2.
Characteristics of studies included
| Author, yr (reference) | Country | Sample size (no. resistant/no. susceptible) | Cross-sectional design | Consecutive or random | Blinded design | Prospective |
|---|---|---|---|---|---|---|
| Cheng et al., 2007 (3) | China | 66/50 | Yes | No | No | Yes |
| Isfahani et al., 2006 (11) | Iran | 21/16 | Yes | Yes | No | Yes |
| Kim et al., 2004 (12) | South Korea | 17/110 | No | Unknown | No | Yes |
| Mani et al., 2003 (17) | India | 101/100 | Yes | Unknown | No | Yes |
| Kim et al., 2001 (13) | South Korea | 23/33 | Yes | Unknown | No | Yes |
| Miriam et al., 2001 (18) | Mexico | 35/11 | Yes | Unknown | No | Yes |
| Wu et al., 1999 (37) | China | 45/40 | Yes | Unknown | No | Yes |
| Lee et al., 1998 (16) | South Korea | 67/10 | Yes | Unknown | No | Yes |
| Telenti et al., 1997 (31) | Spain | 75/20 | Yes | Yes | Yes | Yes |
| Kim et al., 1997 (14) | South Korea | 32/26 | Yes | Unknown | No | Yes |